TARDIS

The Tardis is a time machine that allows people to go to other timelines and dimensions.

Chapter 3 Part 13
Mr. Smart reveals that he has a tardis after everything gets destroyed but Windows 1337. He says it's so he meets SpongeBuck, but when he travels, he goes to the timeline where Dora ruled the Earth.

Chapter 3 Part 14
While the characters are brainstorming ideas on how to stop Red CheeseCrocker and his army, Dr. Smart suggests to use his tardis, but he is cut off by Blue CheeseCrocker, who dislikes the idea.