Finn and Jake set out to find a birthday gift for Princess Bubblegum which leads to unforeseen consequences. Finn and Jake set out to find a birthday gift for Princess Bubblegum which leads to unforeseen consequences. Finn and Jake set out to find a birthday gift for Princess Bubblegum which leads to unforeseen consequences. Finn and Jake set out to find a birthday gift for Princess Bubblegum which leads to unforeseen consequences.