Cavemen
Life was tough before the invention of non-cave-based dwellings. A bend in the cave would double as a door; language was largely comprised of a series of grunts; and wow was there a lot of hair and forehead action going on.
Podcast
C026 The Savages
An allegory about equality acted out by evil guys in blackface and fairly sophisticated cavemen. Also, The Doctor has a vibrator. No lie.
Podcast
C001 An Unearthly Child
Teachers Ian and Barbara follow Wunderkind pupil Susan to a junkyard, where they meet her grandfather, The Doctor.