The video isn't on the site yet
Chuck, season 4 episode 22 «Chuck Versus Agent X»: air date May 2, 2011. Episode overview, season trailer and the cast of Chuck.
Chuck and Sarah put aside spy work to have a weekend of debauchery, but Awesome's plans for Chuck's big night don't go quite as expected. Meanwhile, Ellie's investigation into her father's computer leads to a life changing discovery.