Maier has openly campaigned for Britain to stay in the EU, including appearances alongside Prime Minister David Cameron.

Gaddum played 274 tests over a 12-year international career including appearances at three Olympics.

Enjoy all previous 59 episodes including appearances by Barack Obama, Sarah Silverman and Aziz Ansari before the new series begins later this year.

And head-to-head speed climbing races have been around for nearly 50 years in some form or another, including appearances in the early X Games.