
Sweetheart, are you sick?
The Big Bang Theory Season 5, Episode 6

Sweetheart, go home.
The Big Bang Theory Season 10, Episode 11

Ready to go, SWEETHEART?
The Big Bang Theory Season 7, Episode 11

Sweetheart,
your little friend is concerned about you.
The Big Bang Theory Season 1, Episode 4

Sweetheart, just because we have fun
when I come to town...
The Big Bang Theory Season 4, Episode 6