Right, games. They took "Halo 1," "Halo 2,"
"Halo 3," "Call of Duty 1," "Call of Duty 2"...
The Big Bang Theory Season 3, Episode 13
Halo night?
The Big Bang Theory Season 2, Episode 6
Tonight is "Halo" night.
It's like talking to a wall.
The Big Bang Theory Season 1, Episode 7
...can we get on with "Halo" night?
The Big Bang Theory Season 1, Episode 7
Playing Halo? Watching Battlestar?
Drop some Mentos in Diet Coke?
The Big Bang Theory Season 2, Episode 19