Dara Ó Briain 12Foot6. In 2013, Ó Briain joined Jack Dee, Chelsee Healey, Greg James, Melanie C and Philips Idowu in "Through Hell and High Water", a Comic Relief challenge which involved British celebrities canoeing the most difficult rapids of the Zambezi River. They raised over £1 million for the charity. "Dara and Ed's Great Big Adventure", a 2015 three-part fly-on-the-wall television series, followed Ó Briain and Ed Byrne on their journey by car down the Pan-American Highway. In June 2015, "Dara Ó Briain Meets Stephen Hawking", in which Ó Briain travels to Cambridge for a series of interviews with theoretical physicist Stephen
Dara Ó Briain on Challenge. From 3 to 5 January 2011, Ó Briain and Brian Cox presented "Stargazing Live" on BBC Two, three programmes based at the Jodrell Bank Observatory, scheduled to coincide with the conjunction of Jupiter and Uranus, a partial solar eclipse, and the Quadrantid meteor shower. The two presenters hosted a second series of three-hour-long programmes, plus follow-up 30-minute shows called "Stargazing Live: Back to Earth", from 16 to 18 January 2012. From 8 to 10 January 2013, they presented the third series, again accompanied by "Back to Earth". From 16 April 2012, Ó Briain presented an eight-episode series of