Transformers: Animated S1:E4

Transform and Roll Out! (1)

The Autobots find the Allspark and the Decepticons try to seize it.

Transform and Roll Out! (2)

The battle continues; Sari Sumdac discovers the Autobots and the Allspark.

Transform and Roll Out! (3)

Starscream captures Bumblebee and a number of civilians in an attempt to obtain the Allspark.

Total Meltdown

A bioengineering genius experiments with some of Bumblebee's hydraulic fluid.

Blast from the Past

Megatron reprograms Professor Sumdac's animatronic dinosaurs, turning them into Dinobots.

The Thrill of the Hunt

Ratchet's old enemy, the bounty hunter Lockdown, resurfaces.

Nanosec

Bumblebee springs into action when Megatron unleashes a speed demon and sends it on a crime spree.

Along Came a Spider

Blackarachnia confronts Bumblebee and Bulkhead as they are celebrating their first Halloween.

Sound and Fury

Bulkhead is suspicious of the musical robot player Sari receives as a birthday gift.

Lost and Found

Blitzwing and Lugnut come to Earth to help Megatron get the Allspark.

Survival of the Fittest

When Sari mysteriously disappears, Prowl and Bulkhead go searching for her on Dinobot Island.

Headmaster

A disgruntled former employee tries to use an Autobot to destroy the city in a bid for revenge.

Nature Calls

Prowl, Bumblebee, and Sari investigate a Cybertronian energy signal detected by Optimus Prime.

Megatron Rising (1)

Starscream, Lugnut and Blitzwing invade Earth; Optimus Prime makes Sari turn over her Allspark key.

Megatron Rising (2)

The Autobots must rally to prevent the AllSpark from falling into the clutches of the Decepticons.