![Boy, we are learning a lot here, huh?
Thank you, Astronaut Howard.
Boy, we are learning a lot here, huh?
Thank you, Astronaut Howard.](https://content2.mcqstudy.com/ss/tbbt-6-18-00:13:15.125.jpeg)
Boy, we are learning a lot here, huh?
Thank you, Astronaut Howard.
The Big Bang Theory Season 6, Episode 18
![](https://content2.mcqstudy.com/ss/tbbt-12-18-00:20:31.795.jpeg)
"Once upon a time,
there was a little ASTRONAUT
The Big Bang Theory Season 12, Episode 18
![next to an actual astronaut.
next to an actual astronaut.](https://content2.mcqstudy.com/ss/tbbt-12-5-00:05:32.854.jpeg)
next to an actual ASTRONAUT.
The Big Bang Theory Season 12, Episode 5
![Yes, please listen
to Mr. Big Shot Astronaut!
Yes, please listen
to Mr. Big Shot Astronaut!](https://content2.mcqstudy.com/ss/tbbt-5-15-00:19:18.236.jpeg)
Yes, please listen
to Mr. Big Shot Astronaut!
The Big Bang Theory Season 5, Episode 15
![You know, don't you think
once an astronaut leaves the planet,
You know, don't you think
once an astronaut leaves the planet,](https://content2.mcqstudy.com/ss/tbbt-9-23-00:17:54.032.jpeg)
You know, don't you think
once an ASTRONAUT leaves the planet,
The Big Bang Theory Season 9, Episode 23