Air date: 2017-04-19

Runtime: 30 min

DI Sleet and sidekick Richard Osman wade into the art underworld to catch Bjork's killer.

Air date: 2017-04-26

Runtime: 30 min

Guest rookie Martin Kemp is tasked with solving the murder of Rita Ora in Victorian Successville.

Air date: 2017-05-03

Runtime: 30 min

Reporter Harry Hill is found dead, covered with radiation burns and surrounded with weird footprints.

Air date: 2017-05-10

Runtime: 30 min

DI Sleet and his sidekick Reggie Yates try to solve the murder of undercover detective Noel Edmonds.

Air date: 2017-05-17

Runtime: 30 min

Professor Green enters Successville amidst an epic rivalry between a supervillain and a masked vigilante superhero.

Air date: 2017-05-24

Runtime: 30 min

Sleet faces his toughest decision to date. He must turn his back on one of his personas forever, but will it be Sleet the cop or Sleet the superhero?