ITV Lethal Weapon Catch up on the ITV Hub TV show based on the popular 'Lethal Weapon' films in which a slightly unconventional cop is partnered with a veteran detective trying to maintain a quiet stress free level in life. 4 episodes available to watch Share this programme: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Series 3 Latest Episode 5 Yesterday 9pm Murtaugh and Cole investigate the robbery of a truck filled with fine art. Episode 4 Fri Friday 16 Aug 9pm A person from the past makes a startling reappearance. Episode 3 Fri Friday 9 Aug 9pm Family life interrupts Cole and Murtaugh as they try to foil a lottery scam. Episode 2 Fri Friday 2 Aug 9pm New partners Murtaugh and Cole work to solve the murder of a finance executive.