Buck Rogers in the 25th Century

Season 1, Episode 18

Episode Title: Twiki is Missing

Air Date: 1980-01-31

Overview:

Twiki is kidnapped by the evil ruler of a mining colony who, faced with an uprising of the mine workers, plans to make duplicates of the mechanoid to work the mines. While in the mines attempting to rescue Twiki, Buck discovers something that will help Earth destroy a 10-ton ice asteroid that is on a collision course with Earth.