Last night on The Late Show, Jerry Seinfeld treated David Letterman and his audience to some rare stand-up, which included a real standout bit about how things that are great can also suck. Over on Conan, Christina Applegate reminded Conan O’Brien that she’ll always remember him as the Cone Bone, and Dominic Monaghan laments the fact that making out all hot-and-heavy with Megan Fox couldn’t squash those rumors about him and Elijah Wood. Wrapping things up on The Late Late Show, new terror-watch lister Mark Ruffalo and host Craig Ferguson discussed Richard Simmons’s Afro and blew some mouth organs. Watch our compilation to see what you missed.