
Leonard's work is NEARLY
as amazing as third graders...
The Big Bang Theory Season 3, Episode 10

♪ Then NEARLY 14 billion years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 14

♪ Then NEARLY 14 billion years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 13

♪ Then NEARLY 14 billion years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 23

♪ Then NEARLY 14 billion years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 23