Note: An audio adaptation of the 1974 Doctor Who stage play Doctor Who and the Daleks in the Seven Keys to Doomsday. One of three "Doctor Who: The Stageplays" audios released by Big Finish in 2008. The others were The Ultimate Adventure and The Curse of the Daleks.
A newly regenerated Doctor takes his young companions, Jenny and Jimmy, to the desolate world of Karn. There they must face terrifying monsters, and brave fiendish traps to locate seven crystal keys.
If they fail in their task, the Doctor's arch enemies, the Daleks, will unleash their evil upon the entire Universe!