The Unicron Trilogy

General Information:
Price Point/Size: Gigacon
Retailers: General (K-Mart, Toys R Us, Wal-Mart, Kay Bee)
Release Date: January 2003
Transformation Difficulty Level: 4 (Expert)
Accessories: Clench Mini-Con figure, Missiles x 3

Sounds in mp3 format:

Long ago the Mini-Cons left Cybertron to escape the Autobot/Decepticon conflict.  When they are uncovered on Earth, the Autobots and Decepticons arrive and renew their conflict as they seek out the hidden power inside the Mini-Cons!