Steven Universe - S01 - Ep 37

Steven becomes uneasy after seeing an unknown object traversing through a warp stream, despite the Gems' attempts to disprove his claims.

Steven throws birthday parties for the Gems when he learns that they are thousands of years old, but soon starts to question his own age.

After seeing Garnet and Amethyst fuse together into the powerful Sugilite, Steven becomes determined to get super strong.

Steven goes by himself to a new room in the Temple that answers his every wish, but the results become lackluster.