This is the hardest try not to laugh challenge yet! Can you keep a straight face? Chris Hemsworth, Alzheimer's and why ...

Two stone-faced challengers. One mission: don’t laugh. Armed with bad jokes, silly sounds, and terrible impressions, the Try Not To Laugh Challenge turns into total chaos. Who cracks first?

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 far you made it in the comments!

Jimmy Fallon poked fun at Gen Z’s latest viral challenge of doing nothing. For those unfamiliar, the trend on TikTok involves ...