Psych 3: This Is Gus

In preparation for a shotgun wedding before the birth of Baby Guster, Shawn and Groomzilla Gus go rogue in an attempt to track down Selene's estranged husband, as Lassiter grapples with the future of his career.

Psych 3: This Is Gus is a 2021 mystery crime movie directed by Steve Franks, starring Maggie Lawson, Timothy Omundson, Dulé Hill. It holds an IMDb rating of 7.5/10 from 5,945 votes and runs 1h 36m.