Ep 3. Hit the Diamond

In the episode "Hit the Diamond" of Steven Universe season 4, the Crystal Gems play a high-stakes game of baseball against a group of Homeworld Gems. Five new Gems arrive on Earth and meet with the Crystal Gems, revealing their mission: to retrieve Peridot and take her back to Homeworld. However, the Gems offer to settle their differences through a baseball game. The Crystal Gems agree and recruit Steven and Ruby to join their team.

The Homeworld Gems are revealed to be skilled baseball players and quickly take the lead. Steven and Ruby form a strong bond over their love of the game and work together to help the Crystal Gems make a comeback. Meanwhile, tensions grow between the Gems, and they begin to suspect that one of the Homeworld Gems may be a spy.

As the game comes to a close and the score is tied, tension reaches a breaking point. The true motives of the Homeworld Gems are revealed, and a battle ensues. Steven and Ruby work together to protect their teammates, and with their help, the Crystal Gems emerge victorious.

In the aftermath, the Gems reflect on the lessons they've learned about teamwork, trust, and friendship. The episode serves as a reminder of the power of cooperation and highlights the importance of working together to achieve common goals. It is a thrilling and action-packed addition to the Steven Universe storyline that will keep viewers on the edge of their seats from start to finish.