The TARDIS takes its new passengers back to the dawn of history. There, the Doctor and his party are captured by a tribe who are trying to rediscover the secret of fire.
Did You Know?
The caveman tribe is named The Tribe of Gum. At no point in the serial is the phrase uttered onscreen. See more
At about 5 minutes in, you can clearly see the structural bars that are holding the set of the TARDIS into place. See more
This sand. It's cold. It's nearly freezing.
It's good to have someone to laugh at!
Featured in Doctor Who: Origins