Season 1
01. The Kur Stone (1)
V.V. Argost, host of the popular TV show, Weird World, is after the legendary Kur Stone, which is capable of unleashing the powerful ancient Sumerian cryptid, Kur. With it, V.V. Argost plans to rule the world, so it's up Doc, Drew and Zak Saturday to stop him.
02. The Kur Stone (2)
With two of three Kur Stone pieces now in V.V. Argost's possession, the Saturday family races to the location of the final stone piece, Manaus, Brazil before Argost can get to it.
03. The Vengeance of Hibagon
The Saturdays discover a "Bigfoot" like creature in Japan who wants revenge on his creator.
04. The Ice Caverns of Ellef Ringnes
After disturbing an Inuit chamber, the Secret Scientists accidentally create a giant snowstorm. Along with this snowstorm comes a creature known as an Amarok.
05. Guess Who's Going to Be Dinner?
When Zak finds out that a cryptid hunter plans on attacking their headquarters, he comes up with a plan to save the day without ruining Doc and Drew's anniversary.
06. The King of Kumari Kandam
V.V. Argost becomes the new king of an ancient, sunken city that has been resurfaced.
07. Van Rook's Apprentice
When Drew spots Van Rook's new apprentice Doyle without his mask on, she wonders if he is really her long-lost brother.
08. Twelve Hundred Degrees Fahrenheit
When a volcano erupts, a lizard-man known as the Cherufe is released.
09. The Owlman Feeds at Midnight
When the Saturdays travel to Southern England for information on the Kur Stone, they end up getting involved with a string of disappearances caused by the Owlman.
10. The Swarm at the Edge of Space
After the Saturdays rescue Agents Epsilon and Francis, space jellyfish attack.
11. Black Monday
When water supplies in the Middle East are inexplicably turning into salt, the Secret Scientists send Drew and Zak to investigate.
12. Eterno
When Zak touches the mystic Smoke Mirror of Tezcatlipoca, it unleashes the Monday family, evil doppelgangers of his family with their own unique powers
13. Cryptid vs. Cryptid
The Saturdays discover the existence of underground cryptid fights run by Leonidas Van Rook. They soon discover that Van Rook isn't in on this on his own.
14. The Underworld Bride
As part of Zak's training in his cryptid-influencing power, the Saturdays travel to New Guinea with Ulraj (the young king of Kumari Kandam) to investigate a dinosaur/bat creature called the Duah.
15. Ghost in the Machine
When Doc receives a troubling "visit" from what appears to be the ghost of his old mentor, the Saturdays travel to Louisiana's Honey Island Swamp to let Doc finish the work he and his mentor started over 25 years ago.
16. Something in the Water
The Saturdays stumble across a hidden city built in the middle of an African lake, but this paradise in being threatened by repeated attacks from the giant, catfish-like Lau.
17. Target: Fiskerton
Argost recruits Van Rook and Piecemeal to kidnap Fiskerton, whom Argost suspects may be Kur.
18. Once More the Nightmare Factory
To rescue their kidnapped family member, the Saturdays and Doyle are forced to assault Weirdworld itself.
19. Curse of the Stolen Tiger
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20. The Kur Guardian
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21. Food of the Giants
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22. The Atlas Pin
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23. Paris is Melting
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24. Where Lies the Engulfer
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25. Shadows of Lemuria
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26. Kur Rising
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