Psych 3: This Is Gus is a 2021 American mystery-comedy film. A direct sequel to the second film from 2020 and the third installment of the Psych film series, based on the USA Network dramedy series of the same name, the film was released on November 18, 2021 to the streaming service Peacock. James Roday Rodriguez, Dulé Hill, Timothy Omundson, Maggie Lawson, Kirsten Nelson, and Corbin Bernsen all reprised their roles from the series and previous two films, with recurring actor Kurt Fuller and previous guest star Curt Smith also appearing. The film was directed by series creator Steve Franks, who co-wrote the script with Roday Rodriguez, and plans to produce three further sequels.