On Krypton Season 1 Episode 10, Nyssa-Vex (Wallis Day) is desperate to save the child created from her and Seg-El's binding ceremony.

On Krypton Season 2 Episode 10, Brainiac (Blake Ritson) emerges fully actualized, no longer dependent on host bodies for physicality.

It's a race to save the city from being overtaken as the bottling of Kandor begins on Krypton. "The Phantom Zone" is the tenth episode of the show's first season.