"Diamonds and Lemons" is a bonus episode of Adventure Time, which aired between the season 10 episodes "Gumbaldia" and the series finale "Come Along With Me." It is the two hundred and seventy-ninth episode overall. It serves as a crossover of sorts between Adventure Time and the game, "Minecraft".

Fionna, her best friend Cake and the former Ice King, Simon Petrikov, embark on an adventure through the multiverse, dodging new threats and making self-discoveries along the way.

Finn and his friends experience setbacks and creative triumphs in a fantastic new vision of Ooo.

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