GRIMSBURG: A murder mystery party becomes all too real for the Grimsburg PD when the wealthy, eccentric host is killed. During the investigation, Flute finds himself threatened by Stan’s detective skills, Summers tries flirting with Wynona and Kang and Pentos form an unexpected bond on the "Murder on the Splurt Express" episode of GRIMSBURG airing Sunday, Mar 17 (9:30-10:00 PM ET/PT) on FOX. Guest voice Rosie Perez. GRIMSBURG © 2024 by FOX Media Inc.