Sonic the Hedgehog turns 30 this year, and Sega has a bunch of projects slated. Here's how Sonic the Hedgehog has evolved over the last three decades.

Sonic Classic Vs Sonic In Sonic the Hedgehog - Sonic Dash Vs Sega Heroes

Sonic The Hedgehog 3 & Knuckles (Sega MD / Sega Genesis) - (Knuckles | Hydrocity Zone - Act 1)

Sonic The Hedgehog 3 & Knuckles (Sega MD / Genesis) - (Hyper Sonic | The Doomsday Zone | Ending)

Sonic Birthday Bash Part 5: Sonic The Hedgehog 3 for Sega Genesis

Sonic Birthday Bash Part 3: Sonic the Hedgehog for Sega Master System

Sonic Birthday Bash Part 4: Sonic the Hedgehog 2 for Sega Master System

Sega Sonic The Hedgehog Arcade Complete Walkthrough (Sonic)

Sonic The Hedgehog 2 (Genesis/Sega Mega Drive) All Bosses (With Super Sonic)

SEGA Superstars Tennis: Sonic & Amy vs Shadow & Dr. Eggman {Sonic The Hedgehog Court} [1080 HD]

Sonic Generation - 1 Birth of Sonic Trailer 2 SUB ITA - da SEGA

Casual Review of Archie Sonic Comic: The Lizard of Odd and This Island Hedgehog

SEGA Forever Sonic The Hedgehog 2 Trailer

SEGA Genesis - Sonic The Hedgehog 1

sonic the hedgehog sega master system

[Let's Play] Sega Sonic The Hedgehog

Classic Game Room : SONIC THE HEDGEHOG for Sega Genesis

Sonic The Hedgehog - New Game Update (Sega Genesis) - Best New Kids Apps

Sonic the Hedgehog 4 : Episode I : E3 2010 : Sur le stand de Sega

Sonic the Hedgehog completou 30 anos! Confira a história do mascote da SEGA