- Chris Diamantopoulos - Mickey Mouse
- Tony Anselmo - Donald Duck
- Bill Farmer - Goofy
- Corey Burton - Ludwig Von Drake
- This is the seventh episode to be seven minutes in length.
- When Ludwig Von Drake explains the ripple effect of time travel, he does so on a chalkboard, similar to how Doc Brown does in Back to the Future Part II.
- There is a Hidden Mickey on the shuttle pickup sign.
- The altered history book's page on Ancient Greece tells a story resembling the Tale of the 300 Spartans, though it ends with the two Goofy Kingdoms creating peanut butter and jelly.
- Donald's quote of "Every time we come here, something bad happens to me," is a reference to the episodes "Down the Hatch" and "Split Decision", and potentially "Wonders of the Deep".
- The Goofy Dinosaurs that appear are Allosaurus, Diplodocus, Tyrannosaurus Rex, Rhamphorhynchus, Spinosaurus, Triceratops, Stegosaurus and Pteranodon.
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