[s4e5] A.c.h. 〈Must See〉

The central police plot involves a new designer drug called that turns users into aggressive, "zombie-like" attackers. The creative use of drug-induced hallucinations to simulate a horror movie trope feels both realistic and grounded within the show's universe.

The fifth episode of The Rookie’s fourth season, (an abbreviation for Sergeant Grey’s Halloween mantra, "Anything Can Happen" ), delivers a chaotic and entertaining blend of urban legend and police procedural. This Halloween-themed installment successfully balances the show's signature humor with genuine tension, making it one of the more memorable entries of the season. The "Zombie" Apocalypse and Pete Davidson's Return [S4E5] A.C.H.

A major highlight is the return of as Nolan’s half-brother, Pete. His presence adds a layer of levity, particularly when he is utilized as a decoy drug buyer. While some viewers find the character polarizing, his subplot regarding a potential pregnancy—which ultimately turns out to be a false alarm—provides a nice, if slightly absurd, character arc for the brothers. Haunted Apartments and Hidden Dangers The central police plot involves a new designer