Smallville: Arrival

Clark ends up in the Fortress of Solitude, where Jor-El tells him he must stay and ready himself in order to protect the Earth. When Chloe also finds herself in the Fortress, she must use Clark’s powers to keep from freezing to death. Soon, Jor-El comes to believe that it is necessary for Clark to return to Smallville, as Lana has witnessed the landing of a spaceship from which two aliens have emerged to find Clark, and begin the destruction of Smallville in the process.