1. Arizona to Southern Mexico

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. 24 March 2015. 60 min

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.

2. Guatemala to Nicaragua

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. 31 March 2015. 60 min

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.

3. Costa Rica to Panama

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. 7 April 2015. 60 min

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.