Arrow, 8pm, Sky1
Vigilante Oliver's next target turns out to be Diggle's commanding officer and mentor from Afghanistan, prompting him to rush to the defence of his old friend. Thea suspects her mother of having an affair with Malcolm, while Laurel and Tommy's relationship hits a
rocky patch. Coronation Street (UTV, 8.30pm) Audrey is devastated as Lewis explains that he is in love with Gail, who resolves to borrow some money against her house and live the dream in Italy. Jenna awaits the result of her tribunal, while Tyrone is slightly cheered when his solicitor informs him he can arrange a supervised visit to see Ruby.