Kate McKinnon, T.J. Miller, Jason Bateman and Jennifer Aniston and star in the forthcoming comedy film Office Christmas Party which just sorta spelt out the plot in its title. The holiday season is a time for all types of mania, especially when alcohol and coworkers are concerned and the Will Speck and Josh Gordon-directed film showcases that accurately. Watch the new trailer for the movie, which is all set to hit theatres on December 9.