Dermot O'Leary holds a surprise leaving party

Hybrid semi-improvised comedy format in which celebrities join Tom Davis, as DCI Sleet, to solve murder investigations. Also features Liam Hourican, Nico Tatarowicz, Cariad Lloyd, Luke Kempner, Colin Hoult and Jenny Bede

A member of the force is leaving and Sleet asks Dermot O'Leary to start the surprise party... things don't go quite according to plan.