The episode’s final moments delivered one of the biggest lore reveals in the show’s run. After uniting the three stones in the Kawatche caves, Clark is transported to the Arctic. As he throws the newly formed Crystal of Knowledge into the frozen wasteland, it begins to construct the , setting the stage for his formal Kryptonian training in season five.
The "commencement" of the title refers not only to the graduation ceremony at Smallville High but also to the arrival of a second meteor shower. As Clark and his classmates celebrate their graduation, the sky turns red, forcing a frantic evacuation of the town. This event mirrors the series' pilot, bringing the high school years full circle with a sense of "epic scale and suspense". The Birth of the Fortress Smallville 4x22
Smallville 4x22: " Commencement " – A Finale of Cosmic Proportions The episode’s final moments delivered one of the
is warned by the consciousness of his biological father, Jor-El, that failing to unite the stones immediately will result in a global disaster. A Second Meteor Shower The "commencement" of the title refers not only
is released from the possession of her ancestor, Countess Margaret Isobel Thoreaux, after using one of the stones to kill Genevieve Teague in self-defense.