The second season of Knight Rider, an American television series, began October 2, 1983, and ended on May 27, 1984. It aired on NBC. The region 1 DVD was released on April 12, 2005. Season two saw the departure of Patricia McPherson as Bonnie Barstow, who was replaced by Rebecca Holden as April Curtis, who became the new technician for KITT. April was written out after Holden left the show at the end of season two, and McPherson returned for season three until the show ended.