Spider-Man
Season 1, Episode 21: Countdown to Doom
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NASA sends a rocket into space, built by Doctor Doom, unaware of his plan.
All Episodes - Season 1
Episode 1
Bubble, Bubble, Oil and Trouble
Episode 2
Dr. Doom, Master of the World
Episode 3
Lizards, Lizards, Everywhere
Episode 4
Curiosity Killed the Spider-Man
Episode 5
The Sandman Is Coming
Episode 6
When Magneto Speaks.... People Listen
Episode 7
The Pied Piper of New York Town
Episode 8
The Doctor Prescribes Doom
Episode 9
Carnival of Crime
Episode 10
Revenge of the Green Goblin
Episode 11
Triangle of Evil
Episode 12
The A-B-C's of D-O-O-M
Episode 13
The Sidewinder Strikes!
Episode 14
The Hunter and the Hunted
Episode 15
The Incredible Shrinking Spider-Man
Episode 16
The Unfathomable Professor Gizmo
Episode 17
Canon of Doom
Episode 18
The Capture of Captain America
Episode 19
The Doom Report
Episode 20
The Web of Nephilia
Episode 21
Countdown to Doom
Episode 22
Arsenic and Aunt May
Episode 23
The Vulture Has Landed
Episode 24
Wrath of the Sub-Mariner
Episode 25
The Return of Kingpin
Episode 26
Under the Wizard's Spell