The Doctor is captured by Chase, who plans to breed the stolen Krynoid pod. He is placed in an automated compost hopper and only Sarah Jane can save him... but will she make it before the Krynoid grows to fruition ?
Quest roles:
Seymour Green(Hargreaves), Harry Fielder(Guard), Tony Beckley(Harrison Chase), John Challis(Scorby), Kenneth Gilbert(Richard Dunbar), Michael Barrington(Sir Colin Thackeray), Sylvia Coleridge(Amelia Ducat), David Masterman(Guard Leader), Mark Jones(The Krynoid (voice))