It's a boy-girl party,
this Flash runs SOLO.
The Big Bang Theory Season 1, Episode 6
I'm a falcon who hunts better SOLO.
The Big Bang Theory Season 2, Episode 20
To quote Han Solo,
"I know""
The Big Bang Theory Season 7, Episode 11
You know? Go SOLO.
The Big Bang Theory Season 11, Episode 13
Did Han Solo let Luke Skywalker freeze
to death on the ice planet of Hoth?
The Big Bang Theory Season 2, Episode 23