Den 10 Supreme Alien

Den 10 Supreme Alien is the first series in the Den 10 franchise. It is first aired on Ben10toys.net.

Summary
15 year old Den Pennyson, finds the Supremematrix during a field trip to the Science Museum. The device attaches permanently to his wrist and gives him the ability to transform into a numerous variety of alien life-forms, each with their own unique powers and abilities. With it, he protects Manhatten and the universe from villians who want to destroy the world.

Episodes
Den 10 lasts 2 seasons with a total of 24 episodes.

Season 1 Season 2
 * 1) Hero Up Time! Part 1
 * 2) Hero Up Time! Part 2
 * 3) Fame
 * 4) Field Trip
 * 5) Musically New Guy...Or Girl?
 * 6) Up For A Riddle?
 * 7) New Hero In The House?
 * 8) Failed Date
 * 9) Hunted
 * 10) Game Time
 * 11) Heroric Test Of Herorism
 * 12) Supreme Power
 * 1) Den x 2 = Trouble (13)
 * 2) One Teammate Down (14)
 * 3) Den 10,000 (15)
 * 4) Den 10 Supreme Alien/Zen 10 Infinite Alien Crossover Special - All Webbed Up (16)
 * 5) Magic Rules (17)
 * 6) Future Disaster (18)
 * 7) Trouble In Tokyo (19)
 * 8) Shattering Dimensions (20)
 * 9) Bubbles Shall Pop (21)
 * 10) (22)
 * 11) Endgame Part 1 (23)
 * 12) Endgame Part 2 (24)

Characters
Main Characters Supporting Characters
 *  Den Pennyson
 * Euni Westly
 * Tone Salazar
 * Stiffy Georgon
 * Joe Salazar
 * Lex Pennyson
 * Merci Pennyson

Supremematrix Aliens
Original
 * Freezeblast
 * Nightspeed
 * Chaos
 * Hard Shell
 * Rocks
 * Stereotype
 * Spinhands
 * Fire Hazard
 * Brainy
 * SolarR8

Villians

 * Deathshot
 * Goblax
 * Tough Shell
 * Riddler