Marcus and Alfie battle it out on bikes!
Get ready for Marcus vs Alfie! Before Ant & Dec perched their bums firmly upon the bike seats for the penultimate Ant vs Dec, Marcus and Alfie gave the course a thorough going over in a dramatic race around the ITV studios!
Will Marcus reign triumphant, or will Alfie make it to the finish line first? Hit play above to see how they got on!
Don't forget to #SpotMalfie on Twitter every time you see them on your screens.