The Bay, STV, 9pm

THIS six-part drama series is being tipped as the new Broadchurch – both are set in coastal communities, in this case Morecambe Bay, and begin with missing children – so does that make Grantchester actress Morven Christie the new Olivia Colman? She takes the lead role as DS Lisa Armstrong, who is assigned as the family liaison officer when teenage twins Holly and Dylan Meredith go missing from their home. However, when Lisa meets their parents, she is shocked to realise that her connection to the family might be more than just professional. As if the increasingly complex investigation wasn’t tricky enough, Lisa also has problems to deal with in her home life when her daughter Abbie is suspended from school.

MotherFatherSon, BBC2, 9pm

AS Caden is moved into a cutting-edge military rehab centre, Kathryn dedicates herself full-time to her son’s rehabilitation, making up for the years she missed when Caden was a child. As he painstakingly relearns basic skills, he falls for a brilliant and damaged military intelligence agent, Orla. Meanwhile, Max’s enemies are beginning to circle, sensing that his media empire may be weakening.

How to Go Viral: The Art Of The Meme With Richard Clay, BBC4, 9pm

ART historian Professor Richard Clay explores the popularity and meaning of internet memes, from LOL cats to emoji, pratfall videos to “dank” alt-right satire. The film examines the rise of this new visual language and asks what makes a few memes spread so intensely, while the vast majority fall quietly by the wayside. Clay experiments with devising and releasing his own memes, and speaks to creators and influencers, including Tom Walker, the comedian who plays YouTube sensation Jonathan Pie, Amanda Brennan, meme “librarian” at Tumblr, and Richard Dawkins, the ethologist and author who coined the word “meme”.

Great British Menu, BBC2, 8pm

CHEFS Paul Walsh, Luke Selby and Ben Marks compete in the heats, each preparing starters and fish courses. They are competing to cook at the final banquet, which takes place this year at Abbey Road Studios to mark 50 years since The Beatles played live together for the last time.