Drew Lasker again top-scored for Plymouth against Guildford
Plymouth Raiders qualified for their first BBL Cup final when they came from 10 points behind to beat Guildford 74-69 in their semi-final second leg.
The Raiders won the tie 154-142 on aggregate and will play Newcastle or Everton in the final in January.
Guildford, led by Keonta Howell's 19 points, led the tie when they took a 10-point lead in the third quarter.
But Plymouth, who had 26 points from Andrew Lasker, hit a 17-4 streak in the final 10 minutes to secure the tie.
The Raiders' victory extended their winning run to seven matches and took them to their second major final in two years.
DeAntoine Beasley backed up Lasker with 26 points and Kwbana Beckles added 13. EJ Harrison scored 14 points for Guildford and captain Michael Martin chipped in 13.
The final takes place at Birmingham's National Indoor Arena on Sunday 18 January.