![Specifically, quantum field theory
in D-dimensional de Sitter space.
Specifically, quantum field theory
in D-dimensional de Sitter space.](https://content2.mcqstudy.com/ss/tbbt-4-23-00:07:41.897.jpeg)
Specifically, quantum field theory
in D-dimensional de Sitter space.
The Big Bang Theory Season 4, Episode 23
![Fine. But next time,
we get a sitter.
Fine. But next time,
we get a sitter.](https://content2.mcqstudy.com/ss/tbbt-5-3-00:00:58.422.jpeg)
Fine. But next time,
we get a SITTER.
The Big Bang Theory Season 5, Episode 3
![- Where's Holly?
- I got a sitter.
- Where's Holly?
- I got a sitter.](https://content2.mcqstudy.com/ss/bb-3-8-00:08:57.913.jpeg)
- Where's Holly?
- I got a SITTER.
Breaking Bad Season 3, Episode 8