TF2
Minecraft (occasionally)
Neuroshima Hex (addictive iPhone strategy. Just one more turn... or maybe five.)
Trials HD
Castle Crashers
Sonic Unleashed (more like replaying the day levels, but still)
Super Meat Boy (I'll finish it someday, I swear!)
And who knows how many assorted Flash games.
Current shows:
Mythbusters
Penn & Teller Tell A Lie (when I remember to record, anyway)
And MLP:FiM, obviously.
Shows whose runs have ended:
Avatar: The Last Airbender
Invader Zim
...I think that's it. I'm really not much for TV.