It's 7.30am at this house on an ordinary street in north London. But it's hiding a BIG secret...
What are all these people doing in the hallway. Something peculiar is going on.
A MASSIVE light has been set up in he back garden.
And a cameraman is setting up his equipment inside.
Let's reveal the secret. This house is being used for the filming of Newsround's special programme on divorce - The Worst Thing Ever?
The costumes have arrived. The back room in the house is soon converted into the make-up and dressing room area.
Producer Kez and director Dermot have a catch-up ahead of the filming.
Peter - who plays the main character, Darren - arrives to film his scenes.
And he's straight into make-up...
Meanwhile, the crew are checking out the back garden, to set up the scenes that will be filmed when it gets dark.
Lots of the filming will take place in the bedroom. The crew have a final check that everything is good to go.
Peter takes up his position to film his first scenes.
The producer and director can see everything that's going on through this monitor. They're in constant contact with the filming crew.
Rod - who plays Peter's on-screen dad in The Worst Thing Ever? - arrives. Peter brings him up-to-date with what's been going on.
James is Peter's brother in real-life. He also plays his little brother in the programme. James arrives to do his filming.
Peter's back on set. He rushes up the stairs to film his scenes.
A quick break in the filming - and Peter's still all smiles!
Lunch time. The cast and crew fill up on a feast of lasagne and salad. Yum!
The brothers catch up in the back garden.
Break over - and Peter's back in the bedroom, playing the part of Darren.
Darren's parents are going through a divorce. The Worst Thing Ever? is the story of how Darren copes with the situation.
Peter films his last scenes. The cast and crew are re-creating fireworks night. It's been a LONG day!