Endeavour Main cast, played by Lewis Peek Episode 5x01: Muse (Feb 4, 2018) Episode 5x02: Cartouche (Feb 11, 2018) Episode 5x03: Passenger (Feb 18, 2018) Episode 5x04: Colours (Feb 25, 2018) Episode 5x05: Quartet (Mar 4, 2018) Episode 5x06: Icarus (Mar 11, 2018)