Grimsburg Show Summary, Upcoming Episodes and TV Guide

In an attempt to become immortal, Marvin drinks a special potion that causes rapid de-aging. Meanwhile, the department hires a new lieutenant.

Marvin and the team investigate the death of a morning TV host, in which former child star Lil' Betsy is the main suspect. In the process of the investigation, Marvin becomes consumed with his newfound celebrity status. With everyone rallying around Lil' Betsy, Marvin is determined to find her guilty.

In a failed attempt to catch 'The Cartwheel Killer,' Marvin is eager for a new partner who won't slow him down. Someone sleek and tough, with the mustache befitting its own 80s TV show, Marvin looks for a partner just like him, if not better.

A swanky murder mystery party turns into a real investigation when the wealthy host is suspiciously found dead. The group splits up to search the scene, where unexpected bonds are formed and Flute finds himself threatened by Stan's impressive detective skills.

Flute enters the Grimsburg Miniature Competition and is accused of murdering the judge, Jebediah Cupps, after he disqualifies him. Flute tries to clear his name at the local middle school by recreating a miniature model of the crime scene. Then Stan joins his school's Trauma Club.

Marvin's investigation into an unknown serial killer, coined 'the Boner' by local media for mutilating their victims with animal bones, is interrupted by a production crew who's in town to turn the case into a true crime limited series. Meanwhile, Stan grows close with the actor playing Marvin.