Doctor Who has come to another thrilling conclusion to mark the end of series four.
Millions of people were glued to their seats to see what would happen to The Doctor, Donna, Martha and Rose, but were you one of them?
The plot of the finale was a closely-kept secret, but was it worth the wait? Did you guess what was going to happen or did it come as a big surprise?
Has series four been your five so far? Maybe you're not a fan of the show and are just glad it's over for another year!
Unfortunately this topic is now closed, but there are Comments pages on other subjects on the main Chat index.
"I thought the finale was BRILLIANT! I cried so much in the Bad Wolf Bay scene - I can't believe the Doctor left Rose! It was devastating when Donna had to have her memory wiped. She was a fantastic companion and I'll miss her. So sad to see the Doctor alone. Again."
Filippa, 13, Leeds, England
"It was absolutely great. I just wish Rose could have been the Doctor's companion again! I didn't see any of it coming."
Mollie, 8, Cambridgeshire, England
"A-M-A-Z-I-N-G! Yet complicated. It was heart-breaking when Donna just dismissed the Doctor, and when Rose got the half-Doctor. I wish she'd have returned to Dr Who."
Sallie, 13, Dudley, England
"OK, we had Daleks talking German, Martha getting told off for nearly using the Osterhagen key and there were three doctors!!! What more could you want??? I am soooooooo glad David Tennant is staying - what a legend!!"
Zoe, 14, Norfolk, England
"I though it was absolutely FAB! It was the best one yet! I cannot wait until Doctor Who is back on our TV screens... David Tennant is the best ever Doctor by far, and I'm sooooooo happy Sarah Jane didn't get exterminated! "
Gracie, 12, London, England
"I thought it was brill. It was good the way The Doctor used his hand to not regenerate. I never suspected that Donna was going to be part Time Lord, and the half human half Time Lord Doctor was funny... DOCTOR WHO ROCKS!!!!"
Laura, 12, Glasgow, Scotland
"The best one ever. I loved it because all the old cast came back, though I found the ending really sad! In fact, I almost cried! I loved Donna!"
Ben, 12, France
"I am so glad The Doctor didn't regenerate! David Tennant is the best so far!"
Amber, 12, Brighton, England
"The finale was amazing because it was full of crashes, bangs and old enemies. The storyline for the episode was brilliant. It was also fantastic that all the companions came and TWO DOCTORS was a big twist - I just loved it. I can't wait for the next series, I think it will be just amazing!!!"
Tamanna, 11, London, England
"It was great! It was action-packed and I loved "Clever Donna". Doctor Who Rules!"
Sophie, 11, Bath, England
"Doctor Who was amazing. The best episode by far. Sad to see Donna go though as she brought such a great atmosphere to the show! It was great to see all The Doctor's other companions, including K9. Can't wait for the next series. Doctor Who Rules!"
Yasmine, 12, Southampton, England
"Fantastic, I love David Tennant and I am very GLAD he is staying and did not change when he regenerated. Such a moving scene when he was having flashbacks of all the people who had died for him. Just wish the Doctor had his own happy ending instead of leaving Donna behind. I'll miss everyone in Doctor Who. The Christmas special looks wicked. Cannot wait!!"
Tanya, 12, London, England
"I think it was a great episode, but the ending was a bit long and boring. Glad to see Donna gone though."
Edward, 12, Bristol, England
"I thought that the finale was absolutely fantastic. It was really sad when Donna had to forget what she and the Doctor had done together. They had done so much together and Donna had to forget it all. I really enjoyed all of Doctor Who this year and it's a shame that Donna won't be there any more."
Tyler, 10, England
"I really wanted The Doctor to regenerate and because he didn't I thought the episode was terrible, and the ending was so predictable. 3/5 for me."
Ryan, 12, Luton, England
"I think it was really good, but it was soooo unfair that he didn't regenerate! I'd waited a whole week to see that. But I still think this episode was really cool!"
Heather, 11, Derbyshire, England
"Wow! What can I say? I don't think it was the all-time best Doctor Who episode I have seen, but it was great! I thought Donna would die, but her memories with the Doctor left. I wonder who will be the companion for Series 5."
Lily, 10, London, England
"I thought this finale was brilliant! Julian Bleach as Davros was like John Simm as the Master, mad and scary. I will miss Donna though, and Rose."
Hannah, 12, Essex, England
"I am one of the biggest Doctor Who fans and I thought the last episode was amazing. I was so glad that we didn't get a new Doctor because David Tennant is a brilliant actor. The episode kept me on the edge of my seat and I almost cried when I saw what happened to Donna, I can't believe she won't remember her time with the Doctor and I am glad that Rose got her own Doctor as well."
Erin, 13, Glasgow, Scotland
"My five part was when the Daleks broke into the army base where Martha used the teleporter. I loved the part when the Doctor's clone came to life. WICKED!!!!"
Karl, 10, Pembrokeshire, Wales
"I thought it was definitely the best of this series even over Forest of the Dead. Apart from Martha's wasted storyline the plot was great and Davros was easily the most chilling of all the bad guys yet since 2005. Tennant and Tate are at their best here and Bernard Cribbins is even better but I thought that they made the story so good that it was all too easy how they stopped the reality bomb and if they'd left the Martha story and developed more on the preventing the reality bomb and defeating the Daleks it would have been perfect."
Cameron, 13, Cambridge, England
"I thought this was the best episode ever! It was really cool how all the people came together. It was so sad when Donna forgot. 5 out of 5! The best!"
Izzy, 11, Oxford, England
"I found the finale thrilling. It was so exciting but still emotional that I couldn't stop crying. I must say one of the best episodes yet! I loved it!"
Josie, 13, Hampshire, England
"I thought it was BRILLIANT! It was one of the best finales EVER! I wasn't expecting it to be AS good like someone else has said! I thought it was brilliant (and I'd say people will agree with me) when The Doctor told Jackie not to touch anything (I was laughing so much I nearly wet myself!) and it was the greatest when all of the companions were controlling the TARDIS!!! FIVE out of FIVE."
Laura, 11, Co. Kilkenny, Ireland
"It was amazing, I cried at least 5 times..... It was just outstanding, I was breathtaken at how much emotion there was! Defo the best so far."
Daisy, 13, Reigate, England
"I think it was a bit messy. It was not written to make a good story, but to bring back and get rid of characters."
Daniel, 12, Edinburgh, Scotland
"I loved the pulling together of all the different spin-off series' characters, especially when they all fly the Earth home together. It was a bit sad too because they'll probably never all be together again like that."
Kate, 13, New Malden, England
"I thought it was one of the best yet although I almost cried at the end when Donna had her memory wiped. My favourite part was when Donna took half of the Doctor's mind and became really clever. I also think that the idea of the key Martha got given was really clever and I think it will return in another episode."
Tennessee, 11, London, England
"I thought it was a horrible ending for Donna! She did all those great things and never got to remember them!"
Ciara, 13, York, England
"Amazingly complicated, but I loved it. So much happened (AND they managed to get a kiss in there!) and I think it was a happy ending for everyone... apart from Donna and the Doctor of course..."
Rachel, 12, London, England
"It was really good but it wasn't the best one in the series."
Imogen, 10, Windsor, England
"I loved it! The best part was when the dr doubled! Two David Tennants! YEY!"
Jojo, 12, West Linton, Scotland
"I thought that the final of Doctor Who was brilliant and the finale came as a big surprise to me. I definitely can't wait to the Christmas episode."
Alice, 12, Harlow, England
"I think the ending was cheesy and sloppy, but the rest was fine."
Zoe, 9, Lincolnshire, England
"I thought it was fantastic. It never had any weak points and I was mesmerised throughout the entire episode."
Masumah, 13, London, England
"It was incredible! I didn't expect any of it which is exactly as it should be."
Hannah, 11, Neath, Wales
"I love Doctor Who but I personally thought the finale wasn't very good. Some bits were funny and exciting but I didn't like how Donna became part of the Doctor and how she had her memory wiped."
Kirsty, 12, Watford, England
"I thought it was good and it was far better than I expected."
Adam, 11, Wokingham, England
"I think it was good but it always has a happy ending unless it's a two part story."
Niv, 13, Bromley, England
"It was absolutely brilliant, Russell T Davies is an amazing writer. I am sad to see him leave, but it was by far the best Doctor Who finale so far."
Catherine, 13, Leeds, England
"I thought that this week's Doctor Who was the best, and most unexpected episode yet! It was sad, exciting and happy, all in different bits!!! I hope the Doctor's new assistant is just as good as Donna, Martha and Rose were, and I can't wait until the next episode at Christmas."
Lucy, 11, Maidenhead, England
"I was glued to my seat the whole way through! I loved all the companions reuniting! I just wish that Donna could stay! It was probably the best episode of the series so far!"
Manpreet, 10, Nottingham, England
"I thought the finale episode was absolutely fantastic!!!! I really liked it because Mickey and Rose's mum came back. This episode was my best episode because all the main characters came back."
Shamima, 11, Blackburn, England
"Although it did have many twists and exciting plot changes, in my opinion this was a very disappointing, messy and silly finale. It was too sentimental and just not Doctor Who."
Joe, 13, Oxford, England
"Doctor Who was awesome. I can't wait till the Cybermen return at Christmas."
Jack, 12, Rugby, England
"Doctor Who was amazing!! I kinda guessed what was going to happen but it was still great! It's really sad that Donna isn't going to travel with the Doctor anymore because she was soo funny!:[ I'm gonna miss Donna....."
Zainab, 13, Greenford, England
"It was brilliant! There were loads of twists and good bits and BBC didn't release any spoilers which was good. I thought the whole thing with Rose and the Doctor was really sad though."
Douglas, 12, Edinburgh, Scotland
"I really loved the beginning when Davros was defeated by Donna and everyone was all happy. I didn't like the ending because everyone left the Doctor, the Doctor left Rose with his twin and Donna's memory was wiped. Again he's alone. Why can't he have someone with him at the end of a series for once??? But apart from that it was BRILLLLLLLLL!!!"
Mina, 14, London, England
"Well mostly I think it had a fantastically great plot but it was sad, shocking, touching and more."
Jack, 11, Glasgow, Scotland
"It was amazing. It's the best TV programme I have ever seen. Thanks to everybody that the Doctor had on board the Tardis. They saved the whole wide universe but the Daleks and Davros are disgusting and horrible!"
Stephen, 7, Lancaster, England
"I was enthralled by the gripping finale and I guessed what was going to happen about the regeneration with the hand and I was right! I found it very sad that at the end Donna didn't know who the Doctor was and was back to her loud-self again and it was also a bit of a cliche with the Doctor's replica actually getting Rose! I noticed that when Donna became Doctor Donna, remember the Ood calling her Doctor Donna earlier this series and she wondered what they meant! Overall, this is my favourite series!!"
Olivia, 11, Bury, England
"I loved the Doctor Who finale when they got everyone from all the other shows and previous shows together. I thought the Doctor was going to die when he regenerated, but Donna saved him! I was glad that Rose went back to the parallel world, with the other other Doctor. However, I was sooooooooo sad to see Donna go, as she was the e most companion ever! I cried so much!"
Sophie, 11, Blackpool, England
"I thought it was brilliant, although it was a bit sad that Donna won't ever remember all the amazing things she ever did with the Doctor!"
Ryan, 13, Newport, Wales
"I didn't really understand it so I switched it off half way through."
Eleanor, 13, Grimsby, England
"I think by the end of it I got fed up with all the characters. Not a brilliant finale in my opinion."
Hannah, 12, York, England
"I loved the episode, although the two Doctors became very confusing!"
Emma, 12, Harrow, England
"I think it was GREAT!!!!!"
Jack, 10, Newcastle, England
"It was brilliant. I thought Donna and K-9 were my favourite companions, though it was sad when Donna had to have her memory wiped out :("
Harriet, 9, Grays, England
"I loved this episode and I thought having two Doctors was really clever but I don't think Rose should have settled for second best. I felt really sorry for the Doctor at the end!"
Beth, 12, Godalming, England
"I thought it was a bit disappointing because it was too easy for the Doctor to get rid of the Daleks. Having a spare Doctor for Rose to take home was like 'buy one, get one free' at a supermarket!"
Mark, 8, Sevenoaks, England
"I thought that part two of the end of the series was a bit random and hard to understand what was happening."
Hubert, 13, Warrington, England
"When will Doctor Who return? I love the tenth Doctor. I want to travel with him and meet him."
Samantha, 9, England
"I think Doctor Who was great. I want to see it again soon."
Daniel, 10, Cardiff, Wales
"I loved the episode. It was amazing and pulled all the aspects of Doctor Who together. The perfect ending."
Sabrina, 11, Middlesex, England
"Best episode of the series. Last week's cliff-hanger had me gripped and wanting to no more, thinking it was the end of the road for David Tennant, so when we found out he wasn't going to regenerate I was ecstatic, he's been the best Doctor so far! Having all his companions back as well was a good ending but Donna having to have her memory wiped was really upsetting."
Laura, 14, Styrrup, England
"I loved the finale and when they got all together. I loved Captain Jack and the Doctor. I think Doctor Who is so COOL!"
Louise, 8, Redcar, England
"I thought it was great with all of the companions together!"
Natalie, 12, Buckingham, England
"The finale was a bit of a let down....nothing ACTUALLY happened! I thought Rose should have died. The ending was WAAAAAY too twee."
Caitlin, 14, Trelawnyd, Wales
"We thought it was really cool how all the Doctor's old assistants and friends worked together to save the world and then went off in the Tardis. The part with Donna was emotional and sad, how the part we know of her died but Rose's ending was good."
Rosa and Celina, 12 and 13, Winchester, England
"I think the last part of the last series could have been better because Donna could have stayed as the Doctor/Donna."
Imogen, 12, Southport, England
"Words can't explain how I feel about those two episodes, it was too awesome!"
Chris, 12, Somerset, England
"I thought it was really good but I still want Donna to be in Doctor Who. I can't wait until Christmas and find out who is in the next person."
Amal, 11, Manchester, England
"I think it was fab. I knew the Doctor wouldn't regenerate, he couldn't. I'm glad that Rose gets the other Doctor but sad that Donna can't remember anything. I can't wait for the Christmas one."
Fizza, 10, Birmingham, England
"That Doctor Who finale was so excellent!!! It got me sitting on the edge of the seat!!! I couldn't believe it! David Tennant isn't leaving the show! He's the best Doctor ever!"
Jazmine, 12, Birmingham, England
"Not very exiting at all. I was very disappointed. It was a 1 out of 5 for this one."
George, 11, Liverpool, England
"I thought that it was fantastic. I'm really sad that Donna has gone as I thought that she was the best companion."
Catherine, 13, Cambridge, England
"I thought this finale was better than the other years. The end was quite moving, it is tragic that Donna will not be able to hear about the Doctor and her travels. She will still be the silly pre-Runaway Bride self. Can't wait for the Christmas special though!!!"
Tom, 13, Horsham, England
"It was breath-taking. I was in tears by the end of it. The way everyone came together was like a family reunion. What a show. I love Rose and New Doctor. Ah. It's just Jenny to return now."
Laura, 8, Manchester, England
"I think it was brilliant! It was sooo cool with another Doctor, But now we have to wait till Christmas when the next episode is on!!!! :("
Rosa, 9, London, England
"The ending was really sad, when the Doctor took away Donna's memories from her. It was also really funny when the Doctor told Jackie not to do anything, and when Donna was hitting on Captain Jack. It was a five out of five episode."
George and Aaron, 10 and 7, Harlow, England
"It was a bit of a twee ending: they were obviously playing it safe to keep their prime audience of teenagers. And Donna's 'erased memory' was a bit cliched."
Rebecca, 12, Leicester, England
"Rose being left in the parallel universe was so sad, even though she had the other Doctor. Because the 'real' Doctor has nobody. It must have hurt him so much to leave her."
Apple, 16, Staffs, England
"I thought it was brilliant! I loved the fact that all the companions came back. I can't believe Donna can't remember anything or else her head will explode. I can't wait for Christmas!!!!!"
Bethan, 12, Slough, England
"I loved it! I think it was one of the best finales ever! It was amazing that loads of people in Doctor Who came back, it was brilliant :D"
Charlie, 14, Staffordshire, England