
Next thing you know, we're playing "Halo"
with a multilingual Abraham Lincoln.
The Big Bang Theory Season 2, Episode 4

Oh, yes, it's Halo night.
Let me just dry my tootsies.
The Big Bang Theory Season 2, Episode 6

Playing Halo? Watching Battlestar?
Drop some Mentos in Diet Coke?
The Big Bang Theory Season 2, Episode 19

Wednesday's Halo night.
The Big Bang Theory Season 2, Episode 6

You're going to ask Howard
to choose between sex and "Halo."
The Big Bang Theory Season 1, Episode 7