From the OP, “scenario” is The Greatest American Hero. (Yes, I’m Andy L’s wife, but he will confirm I knew this when he first suggested this thread.) FBI Agent Bill Maxwell was always using this word, and in one episode, it put him in a hypnotic trance.
Bazinga
Big Bang Theory
Mine:
cowabunga
Walt!
eeeeevvvviiiillll
yipyip
pointy
champions
shiny
engage
linear
abilabuddyable
tickytacky
funeral
allonsy
Blorgon
Cowabunga - Howdy Doody (or the Simpsons)
yip-yip - The Muppets
pointy - Buffy
champions - Angel
shiny - Firefly
engage - ST-TNG
allonsy - Doctor Who
Blorgon - Community
I’m totally no good at this, probably because a lot of the words aren’t that distinctive in themselves, or only figured in one episode. I only got “logical” because Spock never stopped saying it.