It's Always Sunny in Philadelphia (2005)

S15E2 The Gang Makes Lethal Weapon 7

Title: The Gang Produces Lethal Weapon 7 Plot: After learning that their homemade sequels to Lethal Weapon have been removed from the community library due to their offensive content, the Gang resolves to rectify their past mistakes by creating a new installment — Lethal Weapon 7. Determined to tackle their political incorrectness, they embark on a chaotic journey to craft a film that will redeem their previous efforts.