BarelyPolitical made a great parody video of Twilight star Kristen Stewart as a speech coach.
Film Drunk wants to pollute your mind with a mash-up of dirty talk in movies.
The Jack and Jill trailer has been getting a lot of flack on the Internet, which has inspired to parody mash up videos that show film characters watching the trailer in a theater (George C. Scott from Hardcore hating it and Sam Neill from In the Mouth of Madness loving it).
The Annoying Orange does a Harry Potter episode.
The Fine Brothers explain the 7 Harry Potter movies in seven minutes (excluding the upcoming one of course).