Season 2 Episode 10 – War of the Cryptids
Argost unleashes a legion of cryptids on the world in order to test Zak's powers.
Zak Saturday and his parents, Doc and Drew are a family of world-saving scientists called "The Secret Saturdays." Living in a hidden base, they are part of a secret organization of scientists known as The Secret Scientists who protect mankind against the hidden and terrifying things of the world. In the series, folktales are actual mysteries that the Saturday family must solve. Traveling all over the world, the Saturdays explore ancient temples and bottomless caves, and battle with villains which includes the evil V.V. Argost, and a masked mercenary, who specializes in the capture of cryptids, named Van Rook. Scouring the globe in search of cryptids, the Saturdays attempt to keep the existence of these unusual beasts secret, to protect both mankind and the creatures themselves.
Argost unleashes a legion of cryptids on the world in order to test Zak's powers.
Doc, Zak and Fiskerton strike a bargain with the Secret Scientists. The Scientists ask the Saturdays to remove a cryptid creature from Beeman's Lab. In exchange the Secret Scientists will put their pursuit on Zak off for six months.
Zak's birthday party is filled with surprises including a visit from Ulraj and Wadi.
The Saturdays go to Istanbul to extract a lake monster. But the operation hits a snag when Epsilon and Francis show up with a proposition for Zak, when he refuses they decide to take him by force.
The Saturdays return to their headquarters to retrieve tomes from Drew's library and are ambushed by Tsul 'Kalu, a cryptid whose hand now resides at the end of Zak's Claw. Meanwhile Doyle and Van Rook are ambushed by Abby.