Don't you maniacs own a CALENDAR?
The Big Bang Theory Season 10, Episode 12
in the CALENDAR section
Breaking Bad Season 2, Episode 4
I'm looking at his public CALENDAR.
The Big Bang Theory Season 6, Episode 8
I marked the CALENDAR
for future reference.
The Big Bang Theory Season 1, Episode 4
December 25th, 1642, Julian CALENDAR,
Sir Isaac Newton is born.
The Big Bang Theory Season 3, Episode 11