TV tonight: Niamh Algar and Tom Hollander’s big thriller | television

Iris issue

9pm, Sky Atlantic

There’s a propulsive opening to Niamh Algar and Tom Hollander’s cat-and-mouse film. Iris Nixon (Algar) is an elusive puzzle-solving genius who is invited by businessman Cameron Beck (Hollander) to solve her biggest mystery yet: an amazing piece of technology with terrifying powers. But when Iris finds the device’s activation sequence, she escapes with it – and an action-packed chase across Italy ensues. Holly Richardson

Classic Movies: The Story of the 39 Steps

8 p.m., Sky Arts

“If you need to defend Alfred Hitchcock, there is no better answer than the 39 Steps.” Ian Nathan returns with a series that tells the stories of genre-defining cinema titles, starting with a British thriller about a man and woman who become involved in a spy organisation. Human resources

Task manager

9pm on Channel 4

The famous faces of Season 20 continue to put everything they’ve got into the twisted challenges set by Greg Davies and “Little” Alex Horne. This week sees Reece Shearsmith go into full Eurobaddy mode as he reinterprets Edgar Allan Poe, while Sanjeev Bhaskar makes a statement with a Rube Goldberg machine. Hannah J. Davis

How it was made 1 million pounds sterling In 90 days

10 pm, Channel 4

Can stunt player Oobah Butler earn £1m in three months? He gave her a good run by launching a “moral sweatshop”, selling a cane for hundreds of pounds and auctioning himself off in New York. But with endless setbacks and frustrating decisions that leave him conflicted (“All I think about is money now”), it doesn’t seem likely that he’ll succeed at this one. Human resources

copper

10pm Sky Max

It’s the final series of the crazy sitcom, so you can forgive the creators for showing a little fluff. This lively episode is an elegy for the euphoric era of illegal rave, as DJ Curtis Bloom (rude veteran Dean Lennox Kelly) enlists the gang to locate the fez-wearing hype man and whistleblower for one last party. Graeme Virtue

The dream while black

10.10pm, BBC 3

Triple billed to complete the second series of the comedy filled with Adjani Salmon’s dream sequences about the obstacles facing young black artists just trying to make it. Aspiring director Kwabena (Salmon) is landing his first big TV gig, but he’s also keen to win back his ex. Will dinner at a fancy restaurant impress her? JV