Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Robot Santa Claus first appeared in season 2, episode 4, "Xmas Story," in which Fry learns about the defenses that people in the 3000s have to take against Robot Santa every Xmas.
Source: https://screenrant.com/futurama-season-11-robot-santa-villain-history-death-explained/