Release Message:  Gavrok sets a deadly booby-trap right outside the Doctor's TARDIS, and Billy makes a heedless and irrevocable decision. Starring Sylvester McCoy as the Doctor.

Description:  The Doctor's party rallies to the house of an elderly beekeeper where the young Chimeron princess hits another growth spurt that reveals the reason why the Bannermen want the Chimeron wiped out. Meanwhile, Gavrok sets a deadly booby-trap right outside the Doctor's TARDIS, and Billy makes a heedless and irrevocable decision.