TV series example of the word

The Big Bang Theory Season 6, Episode 20
I won't be able to make our date night this Thursday, so bad news for you.

The Big Bang Theory Season 2, Episode 20
The whole idea behind Anything Can Happen Thursday...

The Big Bang Theory Season 2, Episode 20
You're thinking, "The comic book store on a Thursday?

The Big Bang Theory Season 2, Episode 20
After the nightmare of Anything Can Happen Thursday...

The Big Bang Theory Season 7, Episode 21
that meets every Thursday night in Griffith Park