Hal & Harper costars Lili Reinhart and Cooper Raiff candidly addressed the chances of bringing the show back for a second season after an emotional finale. During the Sunday, November 30, episode of the MUBI series, Hal (Raiff) and Harper (Reinhart) made major changes in their lives to break the cycle of grief and trauma that originated from their dad, played by Mark Ruffalo. Harper prepared to move overseas for a fresh start despite how it would separate her from her brother. The siblings celebrated their dad and his partner, Kat (Betty Gilpin), who welcomed their first child together.