
Tonight is "Halo" night.
It's like talking to a wall.
The Big Bang Theory Season 1, Episode 7

I thought we were gonna play
"Halo" tonight.
The Big Bang Theory Season 2, Episode 16

...if you would be the fourth member
of our "Halo" team.
The Big Bang Theory Season 1, Episode 7

Sheldon, Halo night, Koothrappali's.
You coming?
The Big Bang Theory Season 2, Episode 6

...but on a more serious note,
it's 8:13 and we're still not playing "Halo."
The Big Bang Theory Season 1, Episode 7