Season
Season 4 Episode
- Season 2 Autobot Spike
- Season 2 The Immobilizer
- Season 2 Dinobot Island (1)
- Season 2 Dinobot Island (2)
- Season 2 Traitor
- Season 2 Enter the Nightbird
- Season 2 Changing Gears
- Season 2 A Prime Problem
- Season 2 Atlantis, Arise!
- Season 2 Attack of the Autobots
- Season 2 Microbots
- Season 2 The Master Builders
- Season 2 The Insecticon Syndrome
- Season 2 Day of the Machines
- Season 2 Megatron's Master Plan (1)
- Season 2 Megatron's Master Plan (2)
- Season 2 Auto Berserk
- Season 2 City of Steel
- Season 2 Desertion of the Dinobots (1)
- Season 2 Desertion of the Dinobots (2)
- Season 2 Blaster Blues
- Season 2 A Decepticon Raider in King Arthur's Court
- Season 2 The God Gambit
- Season 2 The Core
- Season 2 Make Tracks
- Season 2 The Autobot Run
- Season 2 The Golden Lagoon
- Season 2 Quest for Survival
- Season 2 The Secret of Omega Supreme
- Season 2 Child's Play
- Season 2 The Gambler
- Season 2 The Search for Alpha Trion
- Season 2 Auto-Bop
- Season 2 Prime Target
- Season 2 The Girl Who Loved Powerglide
- Season 2 Triple TakeOver
- Season 2 Sea Change
- Season 2 Hoist Goes Hollywood
- Season 2 The Key to Vector Sigma (1)
- Season 2 The Key to Vector Sigma (2)
- Season 2 Aerial Assault
- Season 2 Masquerade
- Season 2 Trans-Europe Express
- Season 2 War Dawn
- Season 2 Cosmic Rust
- Season 2 Kremzeek!
- Season 2 Starscream's Brigade
- Season 2 The Revenge of Bruticus
- Season 2 B.O.T.
The Transformers - Season 2 Episode 45 Cosmic Rust
7.83 22 minutes Megatron causes his fellow Decepticons to be infected with the deadly Cosmic Rust. Perceptor is captured to find a cure and he does, learning that element X will do the job. The Decepticons are cured, but then they use Perceptor to spread the Cosmic Rust to the Autobots and element X is in short supply.
