S1 E1
The Doctor learns that a doomsday weapon that is hidden somewhere on the planet Uxarieus.
All episodes for series 1 of Doctor Who: Colony in Space
S1 E2
The Doctor discovers an Interplanetary Mining Corporation ship has landed on Uxarieus.
S1 E3
The Doctor makes it back to the colony and warns Ashe what Dent is up to.
S1 E4
The Doctor descends into the Primitive city to try and find Jo.
S1 E5
The Master offers to help the colonists in exchange for information on the Primitive city.
S1 E6
The Master hopes to find the doomsday weapon in the Primitive city.
