I was going to ask Leonard to do it, but
he seemed a bit emotionally UNSTABLE...
The Big Bang Theory Season 3, Episode 11
She's too UNSTABLE.
Money Heist Season 3, Episode 4
-He's wildly UNSTABLE...
Westworld Season 2, Episode 5
He's wildly UNSTABLE.
Westworld Season 2, Episode 3
Probably, she’s under medication,
she’s UNSTABLE..."
Money Heist Season 1, Episode 8