![The Physics Department string quartet
needs a new cellist.
The Physics Department string quartet
needs a new cellist.](https://content2.mcqstudy.com/ss/tbbt-1-5-00:02:18.512.jpeg)
The Physics Department string QUARTET
needs a new cellist.
The Big Bang Theory Season 1, Episode 5
![- You're kidding. Why not?
- They formed a barbershop quartet...
- You're kidding. Why not?
- They formed a barbershop quartet...](https://content2.mcqstudy.com/ss/tbbt-1-13-00:01:13.155.jpeg)
- You're kidding. Why not?
- They formed a barbershop QUARTET...
The Big Bang Theory Season 1, Episode 13
![while a string quartet plays
while a string quartet plays](https://content2.mcqstudy.com/ss/tbbt-5-24-00:07:07.805.jpeg)
while a string QUARTET plays
"The Way You Look Tonight."
The Big Bang Theory Season 5, Episode 24