Watch 123Movies. Pucker up for Smosh’s Under the Mistletoe, a 2½ hour live celebration of nice and naughty: winter cheer, spending time with friends and family, and drinking so much you can tolerate spending time with friends and family. Unwrap holiday-themed (and eggnog-fueled) editions of classic Smosh formats like Try not to Laugh and Exes, as well as all-new stunts, challenges, and songs we’ll never perform again.