Superboy #165

When a super-powered dog arrives in Smallville in a rocket bearing proof he’s Krypto—Jor-El’s test subject and baby Kal-El’s loyal companion—Superboy is overjoyed to reunite with his old friend. But with Krypto’s boundless energy and powers threatening to expose his secret identity at every turn, Superboy must keep him close while navigating the chaos of a dog who’s more than just a pet.

In "Superboy's Last Day," a young Clark Kent faces his first true test of vulnerability when a mysterious green rock from Pa Kent’s geology assignment begins to sicken him. As his mind races to solve the mystery, Superboy deploys his robotic helpers—only to discover that an old, discarded lead-lined robot holds the key to his survival. A quiet moment of memory proves more powerful than any superpower.

When Professor Lang uncovers a box of Kryptonian weapons, Superboy is unwittingly sent hurtling into the Phantom Zone—trapped in a realm of exile and shadows. With only his wits and a telepathic link to Pa Kent, he must find a way to communicate through an old electric typewriter before time runs out.

On the anniversary of his adoptive parents' deaths, Superboy reflects on the fateful Caribbean cruise he arranged for Ma and Pa Kent—only for them to fall victim to a deadly fever plague, a tragedy he could not prevent despite his powers. The memory weighs heavy as he grapples with the grief that still echoes from that moment.