The four-part series will see a group of celebrities pitted against each other and challenged to learn as much as possible about a new topic they know nothing about.

Their memory of this new topic will then be tested by Toksvig at Memory HQ, with experts offering the celebrities memory tips and tricks to help change the way they think and improve their memory.

Across the four episodes, the celebrities will be whittled down to just one, who will be crowned Memory Champion.

“A memory competition is perfect for me to host because of my own enviable, watertight memory,” said Sandi Toksvig.

She added: “I’m looking forward to putting the contestants through their paces and seeing how they can radically boost their brains. Now, where did I leave my keys…”