You can now see the full introduction sequence for Borderlands 2, courtesy of Gamespot.
Borderlands - Tales from HQ: Loose Cannon Claptrap
Borderlands - Tales from HQ: Loose Cannon Claptrap is a student-made animated short with plenty of personality and humor.
Borderlands: The Pre-Sequel - developer overview video
Gearbox Software and 2K Australia have announced Borderlands: The Pre-Sequel with a developer overview video.
+ 5 to Punching: A Bunkers & Badasses Prologue
Gearbox Software have released an animated short film for Borderlands 2.