
After a long day,
I always turn on SMOOTH jazz
The Big Bang Theory Season 10, Episode 8

(chimes)
Siri, play some SMOOTH jazz.
The Big Bang Theory Season 5, Episode 14

♪ Smooth operator
The Big Bang Theory Season 12, Episode 3

Smooth.
The Big Bang Theory Season 2, Episode 11

- And now the Kung Pao Chicken.
- Yeah, SMOOTH. Ha, ha.
The Big Bang Theory Season 4, Episode 1