Now, you're going to love
the Perlmutter LECTURE.
The Big Bang Theory Season 5, Episode 6
They're having a LECTURE.
The Big Bang Theory Season 5, Episode 3
The LECTURE was
on cosmic gas clouds.
The Big Bang Theory Season 7, Episode 17
Yeah, yeah. My mom gave me the
same LECTURE about my virginity.
The Big Bang Theory Season 5, Episode 20
...and the 20-minute LECTURE on why
monster trucks are better than regular trucks.
The Big Bang Theory Season 6, Episode 21