
Don't you maniacs own a CALENDAR?
The Big Bang Theory Season 10, Episode 12

Okay, put it on my CALENDAR, but start
thinking of a reason why I can't go.
The Big Bang Theory Season 2, Episode 4

My phone doesn't
have a CALENDAR.
The Big Bang Theory Season 7, Episode 18

...make him take 12 pictures with us
so we can make a CALENDAR.
The Big Bang Theory Season 6, Episode 22

I marked the CALENDAR
for future reference.
The Big Bang Theory Season 1, Episode 4