There's also a machinima series based on Portal 2
I found called The Underground
. It's a faux chat show hosted by one of the Personality Cores. I'll post the first episode...
Four minutes? That's ages! What if I get bored? I need a television, a couple of books. Anyone for chess? Bring me knitting.
-The Eighth Doctor, defiant in the face of death, in Doctor Who: The Night of the Doctor