Dara O Briain and Ed Byrne begin a 4,000-mile road trip along the Pan-American Highway, taking in Arizona, Mazatlan, Mexico City and Oaxaca.

Ed Byrne and Dara O'Briain embark on a 4,000-mile pan-American adventure. The duo continue to Guatemala and head for the ancient colonial city of Antigua.

Ed Byrne and Dara O Briain complete their Pan-American adventure. In the final episode, the pair travel south through the mountains of Costa Rica to Panama.