WATCH: Russell Had A Nuclear Energy Professor On And It Got Competitive

See Matt and Russell battle to ask the most serious, high-brow questions.

This week saw a Nuclear Energy expert call the show, and Russell tried his best to put his serious cap on.

Not before showing Matt just how serious he could be, by getting competitive over the questions he asked!

Watch our video above.

LISTEN TO THE LATEST EPISODE OF THE RUSSELL BRAND PODCAST: