Princess Bubblegum starts a hot air balloon race across all of Ooo against Finn and Jake. The hottest race in all of Ooo! When Princess Bubblegum gets a mysterious map and decides to turn it into a hot air balloon race around Ooo, it was only a matter of time before something went wrong. Join Princess Bubblegum, Marceline, and LSP as they take on Finn, Jake, and BMO in a race around the land as they try to see who can gather up the three pieces of gold that will get them their ultimate prize. Join best-selling author Delilah S. Dawson (Star Wars: Phasma) and series artist Ian McGinty in this all-new Adventure Time adventure.