1. The Elite Guard
Optimus Prime and his band of Autobots are taken off the job when the Cybertron Elite Guard, led by Ultra Magnus, comes to Earth looking for the AllSpark.
Transformers: Animated — Season 2
2. The Return of the Headmaster
Optimus teams up with Sentinel Prime in order to defeat the Headmaster.
3. Mission Accomplished
Unaware of the Decepticon activity, the Elite Guard take Optimus Prime and the Autobots back to Cybertron.
4. Garbage In, Garbage Out
The AllSpark creates a new Autobot out of pieces of garbage.
5. Velocity
Bumblebee competes against the Decepticons in an underground racing competition.
6. Rise of the Constructicons
When the AllSpark turns construction vehicles into Autobots, Bulkhead becomes fast friends. However, the Decepticons have other plans in mind.
7. A Fistful of Energon
Prowl and a mysterious Decepticon bounty hunter go after Starscream.
8. SUV: Society of Ultimate Villainy
The second-rate villains of Detroit team up to beat the Autobots.
9. Autoboot Camp
While chasing an Autobot traitor, Bumblebee thinks back on the time he spent with Bulkhead in the Autobot Boot Camp.
10. Black Friday
Unlikely matchups! It's Optimus Prime and Dinobot Grimlock vs. Blackarachnia and Meltdown.
11. Sari, No One's Home
Sari has to defend the Autobot home base from invading Constructicons.
12. A Bridge Too Close (1)
Megatron captures Bulkhead in order to take over Cybertron.
13. A Bridge Too Close (2)
The Final Battle! It's Optimus Prime and the Autobots against Megatron and the Decepticons in a fate to save both Earth and Cybertron.