Don't you maniacs own a CALENDAR?
The Big Bang Theory Season 10, Episode 12
December 25th, 1642, Julian CALENDAR,
Sir Isaac Newton is born.
The Big Bang Theory Season 3, Episode 11
Boy, if we can get him to do that CALENDAR,
this will be the best day ever.
The Big Bang Theory Season 6, Episode 22
You clear a space on your CALENDAR.
There will be an inquiry.
The Big Bang Theory Season 1, Episode 6
Sara, pull up my CALENDAR.
The Big Bang Theory Season 10, Episode 22