Tag. You're it.
The Big Bang Theory Season 2, Episode 1
You ever actually play laser TAG?
Breaking Bad Season 3, Episode 13
...wearing the birthday king crown,
playing laser TAG with all my friends.
The Big Bang Theory Season 1, Episode 16
You're welcome to TAG along.
The Big Bang Theory Season 4, Episode 21
Ooh, Laser TAG. Laser TAG.
The Big Bang Theory Season 8, Episode 6