Ep 6. Blast from the Past

In Transformers Animated season 1 episode 6, "Blast from the Past," the Autobots are tasked with protecting an ancient artifact known as the "AllSpark" from the villainous Megatron and his Decepticons. When Optimus Prime receives a distress signal from an unknown location, he sends Bumblebee, Prowl, and Bulkhead to investigate.

Upon arriving, they discover that the source of the signal is none other than their former ally, Wreck-Gar. However, Wreck-Gar has not been seen in years and the Autobots are shocked to find that he has too much rust to move on his own. The trio quickly discovers that Wreck-Gar's rust is due to an electrical overload caused by his continued use of an old communication device.

After repairing the device and restoring Wreck-Gar's mobility, the Autobots learn that the signal was not sent by Wreck-Gar, but by his former commander, Perceptor. Perceptor, the only one who knows the location of the ancient artifact, the Key to Vector Sigma, sends out the distress call after discovering that the Decepticons are searching for the key, which has the power to reformat any Cybertronian.

As the Autobots prepare to defend the key, they receive an unexpected visit from Starscream. The former Decepticon attempts to make a deal with them, offering to betray Megatron and join their side if they promise to spare his life. Though they are hesitant at first, the Autobots eventually agree to Starscream's terms.

Together, the Autobots and Starscream successfully defend the key and defeat the Decepticons in an epic battle. In the end, Starscream is allowed to leave, but not before the Autobots confiscate a piece of stolen technology from him.

With the key safely in their possession and their enemies defeated, the Autobots return to their base victorious. However, their celebration is short-lived as they now must confront the reality that Perceptor may still be in danger and the Decepticons remain a persistent threat to their mission of protecting the AllSpark.

Overall, "Blast from the Past" is an action-packed episode that successfully expands upon the show's mythology while also introducing new characters and further exploring the dynamic between Autobots and Decepticons. Fans of the Transformers franchise will not be disappointed by this thrilling entry in the series.