"Time’s Arrow" is the 26th episode of the fifth season and the first episode of the sixth season of the American science fiction television series Star Trek: The Next Generation. It comprises the 126th and 127th episodes of the series.

The sixth season of the American science fiction television series Star Trek: The Next Generation commenced airing in broadcast syndication in the United States on September 21, 1992, and concluded on June 21, 1993, after airing 26 episodes. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship Enterprise-D.