Beneath a deep ocean, the time-travellers are brought aboard a giant, walking robot. The robot is, in truth, a pirate-operated craft used by two insane inventors to plunder surface ships of their wealth. The First Doctor fights to free the slaves aboard the robots, and to overthrow its sinister operators.
- This story is given the title of "Underwater Adventure" in the "Comics Checklist" section of DWM 62.
to be added