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

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 ...

Challenge accepted! This hilarious compilation features the ultimate 'try not to laugh' moments. Watch as people face off against the funniest situations, from epic fails and silly pranks to ...

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 ...