
Sara, pull up my CALENDAR.
The Big Bang Theory Season 10, Episode 22

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

I'm looking at his public CALENDAR.
The Big Bang Theory Season 6, Episode 8

December 25th, 1642, Julian CALENDAR,
Sir Isaac Newton is born.
The Big Bang Theory Season 3, Episode 11

Really? You're changing
the Sheldonian CALENDAR?
The Big Bang Theory Season 4, Episode 2