
♪ Bang! ♪
The Big Bang Theory Season 7, Episode 18

♪ Bang!♪
The Big Bang Theory Season 12, Episode 23

♪ That all started
with a big BANG ♪
The Big Bang Theory Season 5, Episode 6

♪ Bang!♪
The Big Bang Theory Season 12, Episode 17

♪ Bang! ♪
The Big Bang Theory Season 7, Episode 5