
...that good food
and company can have a comforting EFFECT.
The Big Bang Theory Season 1, Episode 1

I'm the Doppler EFFECT.
The Big Bang Theory Season 1, Episode 6

...of the quantum vacuum has little
EFFECT on the expansion of the universe.
The Big Bang Theory Season 4, Episode 7

Okay, well, I have a sound EFFECT
for those sound EFFECTs.
The Big Bang Theory Season 6, Episode 23

But now I get to act like inflamed heart
is only "a mild side EFFECT."
The Big Bang Theory Season 8, Episode 21