Taking place in the original series, Ben follows Hex to another dimension with ancient artifacts known as the Kur. As well as Dr. Animo, who plan to steal the Kur for power and world domination, and Enoch, who summons his Forever Knights to slain against Animo. And Ben must work with the Saturdays against Hex.
- Zak Saturday (Sam Lerner)
- Doc Saturday (Phil Morris)
- Drew Saturday (Nicole Sullivan)
- Fiskerton (Diedrich Bader)
- Komodo (Fred Tatasciore)
- Zon (Fred Tatsciore)
- Ben Tennyson (Tara Strong)
- Hex (Khary Payton) - main antagonist of this special
- Dr. Animo (Dwight Schultz)
- Enoch (Richard Doyle)
- Ripjaws (Fred Tatasciore)
- Fourarms (Richard McGonagle)
- Upgrade (Tara Strong)
- Canonbolt (Fred Tatasciore)
- Hex: soon I shall gain the power of the ancients.
- Doc Saturday: so let me get this strait, Cryptids and Aliens might be the same, I thought Arghost was bad, Vilgax might be worse!
- Zak: no offense Ben, in the future I seen, you have one ugly, stuffy nosed cousin!
- Drew: Uh, Zak you make a good point, but it's rude, although she is quite ugly!
- Ben: and I thought Gwen had a big butt!
- Drew: what do you mean.....(turns around) WOW!