This week, Katy Perry was awkwardly caught lip-syncing when her backup track failed at an awards ceremony in France, while Paul Rudd and Kate McKinnon premiered their new web series Hudson Valley Ballers. Someone adorably re-created the movie Elf using pugs, andZach Galifianakis hosted a holiday edition of "Between Two Ferns." Also, Sarah Silverman,Michael Cera and other comedians launched an ugly sweater charity campaign for Stand Up to Cancer, and the first scene of the Kristen Wiig and Tobey Maguire miniseries The Spoils of Babylon premiered. Check out those clips and more in our weekly roundup of the best onlinevideos:
read moreSarah Silverman and Michael Cera have joined forces with a host of other comedians to launch a new comedy channel on YouTube, Deadline reports.
read moreWhen she gets lost in an unfamiliar ethnic neighborhood, Marge discovers the joy of exotic food. It becomes a new activity for her and the kids, until Homer gets jealous and Marge inadvertently sends him to a crackhouse. watch