- Is that my YEARBOOK?
- Mm-hmm.
The Big Bang Theory Season 5, Episode 3
the only person who signed
my YEARBOOK was my mother.
The Big Bang Theory Season 5, Episode 3
some black-ops guy
is reprinting my high school YEARBOOK,
The Big Bang Theory Season 9, Episode 24
was my high school YEARBOOK.And?
The Big Bang Theory Season 12, Episode 13