
I hear locomotive smoke
is the second LEADING cause...
The Big Bang Theory Season 8, Episode 22

...LEADING to a re-examination
of the ultraviolet properties...
The Big Bang Theory Season 2, Episode 5

It's Penny's first time LEADING
the Pledge of Allegiance.
The Big Bang Theory Season 9, Episode 21

...you were sort of
LEADING a double life, weren't you?
Breaking Bad Season 3, Episode 9

...LEADING to the lost treasure
of famous pirate "One-Eyed Willy."
The Big Bang Theory Season 6, Episode 19