Flash and his friends find refuge with the Verden and try to fix their water machine, which Dr. Gordon built. Meanwhile, Baylin faces her greatest fear, a dreaded Night Hunter; and Dale has a heart-to-heart with Flash's mother.
While Flash, Zarkov, and Baylen search for Ming's rift machine, Baron prepares for his wedding to Aura, despite the fact that the water machine was restored. Meanwhile, Dale is confronted by Flash's mother regarding his father's death, and Flash finds out the truth about his father's execution. Sam J Jones, the original Flash Gordon from the 1980 movie has a small role as one of Zarkov's fellow inmates.
When Ming orders Aura to marry Barin, she uses an Omadrian love potion on Flash in hopes that Barin will call off their nuptials. Unfortunately, Ming finds Aura with her two suitors and decrees that the men will duel to the death.
When Rankol sends a beautiful bounty hunter to bring Zarkov back to Mongo, her arrival is caught on camera, so Dale tries to prevent a rival from running with the story - which catches the attention of an obsessive government agent.
When rifts spontaneously open, Flash and Joe find themselves working on a chain-gang in a Mongo coal mine. Meanwhile, Dale and Baylin are forced to contend with a pregnant Deviate who's stumbled to Earth and gone into labor.
On Honor Day, Ming prepares his speech, Aura becomes smitten with a performer, and Baylin is summoned to the tombs of her ancestors where she, Flash and Dale are held captive by marauders. Back on Earth, Zarkov applies for a research grant.
To smoke out Barin, Ming deems all of the Verden people captive labor - and Dale is among those captured. To raise funds, Flash and Baylin hunt scorpion-like creatures. Meanwhile, Barin clues Aura into uncovering the identity of her mother.
Flash intercepts a baby who's been marked for death, which leads him and Aura to the Deviates' lair, where they learn a shocking secret. Meanwhile, Zarkov & Baylin search for the lost rift blaster; and Joe ends up aligned with the enemies.
Ming steals a lake from Earth, so Flash and his friends head to Mongo with plans to destroy the rift generator. Meanwhile, Aura introduces Ming to his son Terek, king of the Deviates; and Rankol questions the Celetroph prophecy.
When Terek is blamed for poisoning the water supply, Flash and Aura set out to obtain an antidote from a rogue Omadrian. Meanwhile, Dale attempts to find out what happened to Joe by forcing a confession from Lenu.
Terek prepares to seize Ming's throne. Meanwhile, Rankol's allegiance to the Celetroph monks is discovered; Aura's birthstone reveals her mother; Dale and Norah evade government agents; and Flash finally finds his father.
Ming's troops are on a mission to steal ice from Frigia, so he enlists the Zurn to serve as his army when Terek and his followers invade Nascent City. Meanwhile, Flash, his friends and parents prepare to leave Mongo for the final time.