The third season of the American animated television series Star Trek: Lower Decks follows the various missions and adventures of the "lower deckers" (low-ranking officers with menial jobs) on the USS Cerritos, one of Starfleet's least important starships. The season is produced by CBS Eye Animation Productions in association with Secret Hideout, Important Science, Roddenberry Entertainment, and animation studio Titmouse, with Mike McMahan serving as showrunner and Barry J. Kelly as supervising director.