Emmerdale Family Tree: The Dingles, Older and Wiser (STV, 7pm)

NEW series. A look back at three of the soap’s most-loved families, weaving its way through each family tree to reveal the loves and losses that the parents, siblings and children have faced over five decades of drama. Up first are the Dingles, who first hit the screens in the mid-1990s. Led by bare-knuckle fighter Zak, they were not exactly nice people, but eventually they became popular with viewers and became the scheming family they are today.

Hoarders: Junk Apocalypse (Channel 5, 9pm)

ABOUT 1.2 million people in the UK are classed as hoarders, but what drives people to collect junk and stockpile items that end up making their lives a misery? This returning two-parter attempts to find out. Contributors include Esther in Great Yarmouth; her hoard is so bad that her landlord has issued an ultimatum – clear up or clear out. Every room of her two-bedroom flat is knee-deep with clutter.

Mandy (BBC2, 9.30pm)

DIANE Morgan has long been one of the most engaging writers and comedians on the box, as she proved with Charlie Brooker’s Screenwipe, and more recently in Ricky Gervais’s successful saga, Afterlife. This series of short films centring on the down-on-her-luck heroine has also been a lot of fun in recent weeks, and the latest double bill should also help brighten a dull night.

Teacher with Tourette’s: Cursing in the Classroom (C5, 10pm)

NATALIE is a teacher with Tourette’s, which means lessons can be interrupted by her uncontrollable swearing. In this one-off documentary, Kym Marsh narrates her story. Natalie’s condition was triggered by a traumatic event in her past, and while it colours every aspect of her life, it can make even everyday tasks a struggle. However, she is determined to prove the condition is no barrier to succeeding at her job.