Valve have created Expiration Date, a 15 minute animated short featuring all the Team Fortress characters.
Portal 2 - Perpetual Testing Initiative
Valve are introducing the Perpetual Testing Initiative for Portal 2 with this new amusing trailer.
Team Fortress 2 - Meet the Medic
Team Fortress 2 is now free to play, and along with that great news, Valve have released a new cinematic, Meet the Medic.