TV series example of the word

The Big Bang Theory Season 3, Episode 4
See you Monday.

The Big Bang Theory Season 2, Episode 3
Can't wear different pajamas. These are my Monday pajamas.

The Big Bang Theory Season 12, Episode 15
Well, Leonard, we were hoping you'd go in on Monday.

The Big Bang Theory Season 5, Episode 18
for astronaut training Monday 8:00 a.m."

The Big Bang Theory Season 2, Episode 16
You know the cashew chicken I get you on Monday nights?