Beast Machines: Transformers
Season 1, Episode 12: The Catalyst
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Rattrap uncovers a catalyst program that accelerates the growth of Cybertron's newfound plant life. Meanwhile, Blackarachnia discovers the truth about Thrust's Spark.
All Episodes - Season 1
Episode 1
The Reformatting
Episode 2
Master of the House
Episode 3
Fires of the Past
Episode 4
Mercenary Pursuits
Episode 5
Forbidden Fruit
Episode 6
The Weak Component
Episode 7
Revelations: Discovery (1)
Episode 8
Revelations: Descent (2)
Episode 9
Revelations: Apocalypse (3)
Episode 10
Survivor
Episode 11
The Key
Episode 12
The Catalyst
Episode 13
End of the Line