Episode 1: Heroes Come Back

Episode 1 is the 1st episode of Mega Sonic Bros. AF and is titled "Heroes Come Back".

Plot
Sonic was being attacked by the shadow team in their Hometown: Mobius, so he decided to pay a visit to the Mario brothers. The Mario bros received a strange letter with three circles warning them of a new danger regarding the chaos emeralds.

Featured Characters

 * Sonic The Hedgehog
 * Miles "Tails" Prower
 * Knuckles The Echinda
 * Shadow The Hedgehog
 * Rouge The Bat
 * Amy Rose
 * Mario
 * Luigi
 * Yoshi
 * Bowser
 * Princess Peach
 * Professor E. Gadd
 * Toadsworth (Mentioned only)

Trivia

 * Unlike the series it spin's off from, Mega Sonic Bros. AF is made with Photoshop and Windows Movie Maker.
 * The new machine by E.Gadd is a DS, instead of a Gameboy like in Super Mario Bros. Z.
 * Toadsworth apparently will make no appearence in the series, despite being mentioned in Episode 1.
 * It is said that Sonic and Friends went back to there world and that Tails and Knuckles had no idea of the events in Super Mario Bros. Z or Nintegaball GT.
 * After this Episode, Professor E.Gadd makes no more appearences, but still appears in the old intro.
 * Amy is now a member of Team Dark (called Team Shadow in this series), replacing E-123 Omega, however in Episode 3 Shadow says he simply wants to fight her to test his own power.