Edison's Conquest of Mars attempt at fiction, the book was published serially in the "New York Journal". Serviss went on to write other science fiction stories, arguably making him the first American to write science fiction professionally. An early example of what would later be called space opera, "Edison's Conquest of Mars" was also a particularly literal "Edisonade". The book contains some notable "firsts" in science fiction: alien abductions, spacesuits (called "air-tight suits": see Spacesuits in fiction), aliens building the Pyramids, space battles, oxygen pills, asteroid mining and disintegrator rays. The book is set following the abortive Martian attack depicted in "Fighters from Mars",
Dora the Explorer: Journey to the Purple Planet show, the game is about Dora who has a task to complete or a place to reach with her monkey, Boots. Dora has three, or, in some double-length episodes, four, places to go, with the final place as the destination. The game is about Dora and Boots who find some lost aliens from the Purple Planet. However, to take them home, she and Boots are required to collect keys from different planets to open the Space Door, leading to the Purple Planet. To fuel the rocket ship loaned to them, Dora and Boots need to collect 10 space gems in