Solomon y Drew Saturday (padre y madre de Zak Saturday respectivamente), pertenecen a la organizacion Los Científicos Secretos que se encargan de investigar cualquier ambito de la ciencia al que no pueden acceder las demas personas, Zak y su familia se encargan del trabajo de campo con respecto a la Criptozoología (pseudociencia que estudia animales con comportamientos extraños, o cuya existencia no está demostrada). Viven en su base secreta junto a Fiskerton(lemuriano), Kómodo y Zon, aunque gran parte del tiempo la pasan en el zépelin de la familia debido al carácter de su trabajo (acuden al lugar de los hechos independientemente del continente en el que se halla producido) En la serie los relatos sobre críptidos no son solo leyendas sino que estas criaturas son las involucradas en los casos que la familia Saturday debe resolver. Viajando por todo el mundo, los Sábados exploran templos antiguos y profundas cuevas, y pelean con villanos como V.V. Argost (quien esconde sus malvados planes en su programa de TV "weird world" ("el extraño mundo") y un mercenario enmascarado que especializa en la captura de críptidos, Van Rook. Explorando el globo en busca de los criptidos, los Saturdays intentan mantener la existencia de esas criaturas oculta por el bienestar de la humanidad y de los propios criptidos...
Los sábados secretos (Temporada 3)
Kur (1) 0.0
Fecha de emisión: 2009-11-07
Duración: 22 min
Sinopsis: Six months after the Kur crisis, the other Secret Scientists have discovered that Zak is Kur, and are tracking him to take him into custody, forcing the Saturdays into a life as fugitives. To make matters worse, the Nagas are also after Zak, in hopes of making him their new leader. Meanwhile, Doyle and Zon go to England and have a run-in with Leonidas Van Rook (who had just had his buisness overtaken by Abbey) when looking for V.V. Argost, who has mysteriously disappeared.
Kur (2) 0.0
Fecha de emisión: 2009-11-14
Duración: 22 min
Sinopsis: The Saturdays fight to keep the Nagas and the other cryptids from invading the world. Meanwhile, Doyle, Zon and Leonidas Van Rook are still looking for V.V. Argost. Doyle and Van Rook seem to find evidence that Argost is dead. The Saturdays go to Hong Kong expecting the Nagi invasion to start there but turn out to be wrong. The Nagas are invading New York. After some encouragement, Zak stops the invasion and is saved by a mysterious black shadow. It turns out to be V.V. Argost who offers to (cryptically) teach Zak to better control his powers through Argost's show, Weird World. Zak accepts the deal, despite knowing that Argost is trying to somehow trick him. Zak also asked Doyle to find out as much about Argost's past as he can.
The Thousand Eyes of Ahuizotl 0.0
Fecha de emisión: 2009-11-21
Duración: 22 min
Sinopsis: Upon learning that a cryptid has awakened after centuries of hibernating in the jungle, the Saturdays head to Mexico.
Into The Mouth of Darkness 0.0
Fecha de emisión: 2009-12-05
Duración: 22 min
Sinopsis: The Saturdays set a course for Greenland so they can search for an ancient Sumerian tablet, but the family is forced to take a detour to Australia when the airship gets infested by Bunyips by V.V. Argost.
The Legion of Garuda 0.0
Fecha de emisión: 2009-12-12
Duración: 22 min
Sinopsis: he Saturdays learn about a sect of Indian sorcerers who were able to drive out the spirit of Kur in the past, and they attempt to find them, in hope that group can do it again. They learned that in order to drive out the spirit of Kur a ritual, using an artifact known as the "Flute of Gilgamesh", must be performed
The Return of Tsul 'Kalu 0.0
Fecha de emisión: 2009-12-19
Duración: 22 min
Sinopsis: 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.
The Unblinking Eye 0.0
Fecha de emisión: 2009-12-26
Duración: 22 min
Sinopsis: Doyle and Zak help Fiskerton come to terms with his Lemurian heritage.
Life in the Underground 0.0
Fecha de emisión: 2010-01-09
Duración: 22 min
Sinopsis: The Saturdays and Abbey go to the Allegheny Mountains to help with a problem caused by the cryptid Allegewi, but Van Rook's new apprentice shows up to cause trouble for the family.
And Your Enemies Closer 0.0
Fecha de emisión: 2010-01-23
Duración: 22 min
Sinopsis: Drew reunites with Doyle, Zon, and Van Rook in the Himalayas, where they hope to learn about the orange cryptid that was stolen by Argost. Meanwhile, Doc, Zak, and Fiskterton attempt to make a deal with the rest of the Secret Scientists.
War of the Cryptids 0.0
Fecha de emisión: 2010-01-30
Duración: 22 min
Temporadas
Episodios 26
Episodios 13
Episodios 10