The Doctor and Mel go for a holiday trip to Shangri-La aboard a Nostalgia Tours bus, only to get dragged into the battle against genocide of their fellow passenger Delta, a Chimeron Queen fleeing from the Bannermen who wish to make her species extinct.
Sylvester McCoy
Bonnie Langford
Don Henderson
Belinda Mayne
Stubby Kaye
Morgan Deare
Ken Dodd
Richard Davies
David Kinder
Sara Griffiths
Johnny Dennis
Brian Hibbard
Tim Scott
Anita Graham
Leslie Meadows
Robin Aspland
Keff McCulloch
Justin Myers
Ralph Salmins
Tracey Wilson
Jodie Brooke Wilson
Hugh Lloyd
Martyn Geraint
Clive Condon
Richard Mitchley
Jessica McGough
Amy Osborn
Laura Collins
Carley Joseph