Beast Machines: Transformers · SEASON 1
The Catalyst
Episode 12 · 1999-12-11

- Animation
- Action & Adventure
- Kids
Episode overview
Rattrap uncovers a catalyst program that accelerates the growth of Cybertron's newfound plant life. Meanwhile, Blackarachnia discovers the truth about Thrust's Spark.
Season 1 episodes
1. The Reformatting1999-09-18
2. Master of the House1999-09-25
3. Fires of the Past1999-10-02
4. Mercenary Pursuits1999-10-09
5. Forbidden Fruit1999-10-16
6. The Weak Component1999-10-23
7. Revelations: Discovery (1)1999-10-30
8. Revelations: Descent (2)1999-11-06
9. Revelations: Apocalypse (3)1999-11-13
10. Survivor1999-11-27
11. The Key1999-12-04
12. The Catalyst1999-12-11
13. End of the Line1999-12-18