Both Chris and Xand van Tulleken presented Channel 4's "Medicine Men go Wild", and BBC Two's "Trust Me, I'm A Doctor" alongside Michael Mosley. Chris was the expedition doctor for BBC Two's "Operation Iceberg", and has appeared in "Top Dogs: Adventures in War, Sea and Ice" (BBC 2), "Holiday Hit Squad" (BBC One), "Museum of Life" (BBC Two), "The Secret Life of Twins" (BBC One), as well as "Celebrity Mastermind" and "The Wright Stuff". Chris was also doctor to a team led by Bruce Parry which recreated the 1911 race to the South Pole in the BBC documentary "Blizzard: Race to the Pole". The brothers have also presented "What's The Right Diet for You? A Horizon Special".