O’Brien finds himself skipping forward and backwards in time.
O’Brien needs to talk down a former commanding officer whose actions threaten a peace treaty.
The Doctor defends a small town in the Old West from an alien cyborg.
Season Two, Episode Three
The Doctor puts a gang together to save some dinosaurs on a spaceship.
There have been a few El Diablos at DC. Here’s one of them.
Season Three, Episode Six
The Daleks ask the Doctor for help. No, really!
Season One, Episode Seven