They can't, there's an important
Little League game tomorrow.
The Big Bang Theory Season 10, Episode 22
...in the Southern California Robot Fighting
League Round Robin Invitational...
The Big Bang Theory Season 2, Episode 12
Anyway, I've learned my lesson.
She's out of my LEAGUE, I'm done with her.
The Big Bang Theory Season 1, Episode 1
Standard Robotic
Fighting League rules apply.
The Big Bang Theory Season 2, Episode 12
And here is my Justice League
membership card.
The Big Bang Theory Season 4, Episode 7