1. Survival of the Fittest

5.2

. 8 March 2008. 22 min

While being pursued by the Enforcers, Spider-Man has to protect Norman Osborn from the vengeful supervillain Vulture.

2. Interactions

4.2

. 8 March 2008. 22 min

When a lab accident transforms Max Dillon into supervillain Electro, he demands that Dr. Martha Connors find a cure as Spider-Man works to stop him.

3. Natural Selection

3.9

. 15 March 2008. 22 min

When. Dr. Curt Connors' attempt to regenerate a new arm accidentally transforms him into the Lizard, Peter, Martha, Eddie and Gwen search for a cure.

4. Market Forces

3.7

. 22 March 2008. 22 min

Following orders from Kingpin, Hammerhead hires Montana to steal a high-tech suit and, as the Shocker, destroy Spider-Man.

5. Competition

3.5

. 29 March 2008. 22 min

As Peter Parker and Harry Osborn try out for the football team, Spider-Man must face convict Flint Marko, newly transformed into the Sandman in order to destroy Spider-Man.

6. The Invisible Hand

3.5

. 12 April 2008. 22 min

As Otto creates the Rhino as a new distraction for Spider-Man, Peter takes Aunt May's advice and asks Mary Jane Watson to the high school prom.

7. Catalysts

7.5

. 26 April 2008. 22 min

Peter and Mary Jane are a hit at the Fall Formal. Meanwhile, the Green Goblin's attack on Fisk Industries requires Spider-Man's intervention.

8. Reaction

3.7

. 3 May 2008. 22 min

When the Green Goblin fuses Otto's robotic arms to his body, the newly created Doctor Octopus must find a new power source as Spider-Man pursues him.

9. The Uncertainty Principle

3.8

. 10 May 2008. 22 min

Spider-Man faces off against the Green Goblin and Tombstone. Elsewhere, Col. John Jameson attempts to land a damaged space shuttle.

10. Persona

3.9

. 17 May 2008. 22 min

Disguised as Spider-Man, the Chameleon embarks on a crime spree that can only be stopped by Spidey and the Black Cat -- together.

11. Group Therapy

4.1

. 31 May 2008. 22 min

When the Sinister Six escape from prison with plans to take down Spider-Man, they nearly succeed. But Peter wakes up with no memory of the battle.

12. Intervention

7.5

. 7 June 2008. 22 min

As he struggles with the alien symbiote, Spider-Man's origins are revealed.

13. Nature vs. Nurture

4.1

. 14 June 2008. 22 min

Venom -- the merged entity consisting of Eddie Brock and the symbiote -- attacks Spider-Man through the people he loves most.