M*A*S*H1972

Major Margaret Houlihan:
[Frank, concluding a phone call with Hot Lips from Henry's office, waits for her to hang up] Hang up, Frank.

Maj. Frank Burns:
You hang up first.

Major Margaret Houlihan:
Oh, Frank, that's so high school!

Maj. Frank Burns:
OK. Let's count to three and then we'll hang up together.

Major Margaret Houlihan:
OK, Frank, You start.

Maj. Frank Burns:
One.

Major Margaret Houlihan:
Two.

Hawkeye:
[In unison with Trapper from Radar's phone] Three.

Major Margaret Houlihan:
GET THEM, FRANK!