Marvel's Ultimate Spider-Man

Season 3 Episode 21: Attack of the Synthezoids

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Watch Marvel's Ultimate Spider-Man season 3 episode 21 tv series online free
Release: Sep 19, 2015

Spidey's fellow superheroes have been replaced by synthetic replicants by the evil Dr. Zola. Who can Spidey trust to help save the S.H.I.E.L.D. Academy?

Marvel's Ultimate Spider-Manexpand_lessSeason 3
Episode 1
The Return of the Guardians of the Galaxy
Episode 2
The Avenging Spider-Man, Part One
Episode 3
The Avenging Spider-Man, Part Two
Episode 4
Agent Venom
Episode 5
Cloak and Dagger
Episode 6
The Next Iron Spider
Episode 7
The Vulture
Episode 8
The Savage Spider-Man
Episode 9
Halloween Night at the Museum
Episode 10
New Warriors
Episode 11
Nightmare on Christmas
Episode 12
The Spider-Verse, Part One
Episode 13
The Spider-Verse, Part Two
Episode 14
The Spider-Verse, Part Three
Episode 15
The Spider-Verse, Part Four
Episode 16
S.H.I.E.L.D. Academy
Episode 17
Rampaging Rhino
Episode 18
Ant-Man
Episode 19
Burrito Run
Episode 20
Inhumanity
Episode 21
Attack of the Synthezoids
Episode 22
The Revenge of Arnim Zola
Episode 23
Contest of Champions, Part One
Episode 24
Contest of Champions, Part Two
Episode 25
Contest of Champions, Part Three
Episode 26
Contest of Champions, Part Four