Sucker Bait is a science fiction novella by American writer Isaac Asimov. It was first serialized in the February and March 1954 issues of Astounding Science Fiction, and reprinted in the 1955 collection The Martian Way and Other Stories. It has also been adapted as an episode of the BBC anthology television series Out of the Unknown.

Out of the Unknown is a British television science fiction and horror anthology drama series, produced by the BBC and broadcast on BBC2 in four series between 1965 and 1971.