The Ben Shephard-fronted show gives contestants two weeks to reach the summit while facing challenges set by “the Mountain’s Keeper”.
They can also eliminate each other along the way, meaning strategy plays a key part in the competition.
Sean, however, said he did not go in with a game plan – and insisted he was never motivated by the prize money.
Instead, he explained that he had wanted to do something purely for himself after years of helping others.
“At the time we filmed it, life got really serious,” Sean said.
Brenda died in March 2025, just months after The Summit was filmed in November 2024.
He revealed that his grandmother had been the one who had pushed him to take part.
“I remember telling nan that I didn’t want to go, but she told me to go for it! She was very ‘jump-in-and-do-it’.
“It was really hard to leave and I was obsessed about the idea of not talking to her – we were more like husband and wife than nan and grandson!
“I’ve got a little bit of film from it – there’s a bit of me talking about her – and I’ll hold on to that for ever.”
