Episode 4: The Mecha Menace

Episode 4  is the 4th episode of Mega Sonic Bros. AF and is titled "The Mecha Menace"

Plot
In this episode, Luigi leaves to get Menzu Beans to heal Sonic and others. The three Mechas, Mecha Sonic, Mecha Shadow, and Mecha Knuckles, defeat him and steal the Menzu Beans he's holding.