You know, I'm in such a good MOOD,
I'm actually finding your tenuous grasp...
The Big Bang Theory Season 2, Episode 21
I was trying
to lighten the MOOD.
The Big Bang Theory Season 12, Episode 10
To tell you the truth,
I'm not really in the MOOD.
The Big Bang Theory Season 6, Episode 5
Way to kill the MOOD.
The Big Bang Theory Season 5, Episode 16
Because, frankly, you've been
in a foul MOOD since I sat down.
The Big Bang Theory Season 2, Episode 9