Join Josh and Ollie as they take on a hilarious "try not to laugh" challenge with a twist—each time they laugh at funny viral ...

In this video, dad tries to make the kids laugh while they attempt to stay serious. Each winner of the rounds receives $100, ...

Add Yahoo as a preferred source to see more of our stories on Google. Challenge accepted! Relive all of the most LOL moments from Season 6 and see how long you can go without cracking up. Tell us how ...