In , Shawn Spencer and a "Groomzilla" Burton Guster embark on a high-stakes mission to track down the estranged husband of Gus's pregnant fiancée, Selene, before their shotgun wedding. The Main Mystery
: Chief Carlton Lassiter is back on the force but struggling with his physical recovery after a stroke, desperately trying to prove he still has what it takes to be a cop. Psych 3: This Is Gus (2021)
: Shawn grapples with the fear of losing his best friend to fatherhood and marriage, worrying their "bestie" dynamic is drifting apart. In , Shawn Spencer and a "Groomzilla" Burton
: As Shawn and Gus "go rogue" to find Alan, they discover that Selene might not be who she says she is, leading to a deeper investigation into her true identity. : As Shawn and Gus "go rogue" to
: The couple discusses their own future, specifically whether they want to have children as they realize their "window" is beginning to close. Notable Cameos & Fun Moments Psych 3: This Is Gus (TV Movie 2021)