Ant & Dec’s Saturday Night Takeaway (STV, 7pm)

THE lads are back in what ITV likes to describe as “the happiest 90 minutes of the week”. The Geordie duo have been hosting the show since 2002 and it’s always been a ratings winner thanks to its joyous mix of entertainment, music, comedy and games. The new run comes hot on the heels of Ant and Dec’s 19th award for Most Popular Entertainment/TV Presenter victory at the National Television Awards.

The Greatest Dancer (BBC1, 7.05pm)

THE pressure is mounting, with only seven acts left in competition, all battling to make it to next week’s semi-final and ultimately win £50,000 and perform on Strictly Come Dancing. Tonight, sees the continuation of the live shows, beginning as the four superstar Captains – Todrick Hall, Cheryl, Matthew Morrison and Oti Mabuse – and their acts take part in a spectacular group dance. Then it’s up to the dance acts alone as they attempt to create an unforgettable performance on the theme of Dance Fusion.

Great American Railroad Journeys (BBC2, 8pm)

THE Rocky Mountaineer is one of the world’s most famous trains, which runs across three Canadian routes. Michael Portillo is boarding it in Kamloops and plans to travel all the way to the spa resort of Banff. But’s the scenery he sees en route that captures his imagination. Portillo steps off to sample the sights of Kicking Horse Pass, the highest point on the 19th-century transcontinental Canadian Pacific Railway, and also waxes lyrical about Lake Louise and the complex tunnels blasted through the nearby mountains. He also learns about the dangers faced by the European and Chinese labourers who built the route.

The Voice UK (STV, 8.30pm)

EMMA Willis hosts the first of this year’s battle rounds in the singing contest. Coaches, Tom Jones, Olly Murs and Meghan Trainor all return to their infamous red chairs as the acts they have chosen from the blind auditions go head to head and fight for their place on their coach’s team. The singers who impress their coach the most remain in the competition with a chance of winning a recording contract. Will the others be stolen by another coach or will they be going home?

Casualty (BBC1, 9.10pm)

VIOLETTE tries her best to get clean in rehab, and is prepared to fight Ruby for custody of baby Harmony. However, a bad decision leads to devastating consequences for the sisters. Faith struggles to cope with Luka’s diagnosis. She considers joining a support group for parents of children with cancer. After complaining to Will about his latest dating rejection, Ethan meets Fenisha at the vending machine. Starring Kelly Gough, Maddy Hill, Kirsty Mitchell and Jack Nolan.