
Hello, Amy.
The Big Bang Theory Season 12, Episode 8

- Hello, Howard. I've missed you.
- Heh.
The Big Bang Theory Season 4, Episode 4

Hello, Penny. Hello, Kurt.
The Big Bang Theory Season 1, Episode 6

- Hello?
- Hello, Leonard.
The Big Bang Theory Season 8, Episode 1

Hello. - Hey. -Hello.
The Big Bang Theory Season 7, Episode 24