SpongeBob SquarePants S08 E23 Mooncation

"Be there and be square!"

SpongeBob meets Sandy, who is preparing her rocket to go to the Moon for a vacation. However, SpongeBob accidentally stows away, and when on the Moon, the two set out camp. SpongeBob and Sandy play sports including sandboarding on its craters. After accidentally crashing the sandboard into the fuel tank, they immediately start the rocket because they need to return home before the fuel runs out.