Married NHS workers, Will and Kathryn, are the first team to take on the never-ending money ladder.

Zee and his dad Tony return to take on the Limitless money ladder – but how high will they dare to climb?

Sisters Sarah and Amy return to take on the Limitless Ladder, but will they cash out before they crash out?

Sarah and her mum, Fiona, face the ultimate challenge as they try to climb the never-ending money ladder.

Brothers Lee and Kye return to take on the Limitless money ladder.

Ant and Dec roll out the red carpet for celebrity teams for the first time as Rylan, David Walliams, Jimmy Carr, and Katherine Ryan take on the show for charity.

Jimmy Carr and Katherine Ryan continue their climb up the ladder. Geordie best friends, Helen and Kelly, think they've got what it takes to conquer the Limitless Ladder.

Husband-and-wife team Matt and Hannah take on the Limitless Money Ladder and play for a truly life-changing cash prize.

Colin and Michael return to the studio and continue their amazing climb up the Limitless Ladder, and we also meet Jenny and Clive before they get married in the morning!

Ant and Dec host the quiz with a limitless money ladder and a never-ending jackpot. Married couple Crish and Karthy are here to win a huge amount of money - all they need to do is make sure that they cash out before they crash out.

Husband and wife Nathan and Taylor are back to continue their journey up the ladder. Tracey-Jane and Troy, a mum and son duo from Liverpool believe that they might have what it takes to conquer the Limitless Ladder and change their lives forever.