...a working prototype of the Mars Rover.
The Big Bang Theory Season 8, Episode 3
Will there be colonies on Mars?
The Big Bang Theory Season 12, Episode 20
They found water on Mars.
Breaking Bad Season 2, Episode 12
- So then why did you...?
- He said that I could drive a car on Mars.
The Big Bang Theory Season 2, Episode 8
Here's a Mars bar.
The Big Bang Theory Season 6, Episode 5