
Games
Sonic the Hedgehog is a video game series released by Sega starring and named after its mascot character, Sonic the Hedgehog. The series began in 1991 with the release of Sonic the Hedgehog on the Sega Mega Drive/Genesis, which was responsible for turning Sega into a leading video game company during the 16-bit era.
Sonic the Hedgehog (16-bit) (1991)
Sonic the Hedgehog (8-bit) (1991)
Sonic Eraser (1991)
SegaSonic Cosmo Fighter (1991)
Waku Waku Sonic Patrol Car (1991)
Sonic the Hedgehog 2 (8-bit) (1992)
Sonic the Hedgehog 2 (16-bit) (1992)
Sonic Spinball (1993)
Dr. Robotnik's Mean Bean Machine (1993)
SegaSonic the Hedgehog (1993)
Sonic CD (1993)
Sonic Chaos (1993)
Sonic the Hedgehog 3 (1994)
Sonic Triple Trouble (1994)
Sonic & Knuckles (1994)
Wacky Worlds Creativity Studio (1994)
Sonic Gameworld (1994)
Tails and the Music Maker (1994)
Sonic Drift (1994)
Knuckles' Chaotix (1995)
Sonic Drift 2 (1995)
Tails' Skypatrol (1995)
Tails Adventure (1995)
Sonic Labyrinth (1995)
Sonic Compilation (1995)
Sonic Blast (1996)
Sonic's Schoolhouse (1996)
Sonic 3D (1996)
Sonic the Fighters (1996)
Sonic R (1997)
Sonic & Knuckles Collection (1997)
Sonic Jam (1997)
Sonic Adventure (1998)
Sonic the Hedgehog Pocket Adventure (1999)
Sonic Shuffle (2000)
Sonic Adventure 2 (2001)
Sonic Advance (2001)
Sonic Adventure 2: Battle (2001 JAP) (2002 NA)
Sonic Advance 2 (2002)
Sonic Mega Collection (2002)
Sonic Heroes (2003 JAP) (2004 NA)
Sonic Pinball Party (2003)
Sonic Adventure DX: Director's Cut (2003)
Sonic Battle (2003 JAP) (2004 NA)
Sonic Advance 3 (2004)
Sega Superstars (2004)
Sonic Mega Collection Plus (2004)
Shadow the Hedgehog (2005)
Sonic Rush (2005)
Sonic Gems Collection (2005)
Sonic the Hedgehog (2006)
Sonic Rivals (2006)
Sonic Riders (2006)
Sonic and the Secret Rings (2007)
Sonic Rush Adventure (2007)
Sonic X (Leapster) (2007)
Mario and Sonic at the Olympic Games (2007)
Sonic Rivals 2 (2007)
Sonic Riders: Zero Gravity (2008)
Super Smash Bros. Brawl (2008)
Sega Superstars Tennis (2008)
Sonic Chronicles: The Dark Brotherhood (2008)
Sonic Unleashed (2008)
Sonic's Ultimate Genesis Collection (2009)
Sonic and the Black Knight (2009)
Mario and Sonic at the Olympic Winter Games (2009)
Sonic & Sega All-Stars Racing (2010)
Sonic Classic Collection (2010)
Sonic the Hedgehog 4: Episode I (2010)
Sonic Free Riders (2010)
Sonic Colors (2010)
Sonic Generations (2011)
Mario & Sonic at the London 2012 Olympic Games (2011)
Sonic the Hedgehog 4: Episode II (2011)
Animations
A number of cartoons have also been made based on the Sonic the Hedgehog video games.
Sonic X
Sonic the Hedgehog (SatAM)
Adventures of Sonic the hedgehog (Slightly different from the SatAM one)
Sonic movie (Japanese OVA)
Sonic Underground
Printed Media
A number of comic book series and manga have been produced as well.
Sonic the Hedgehog (promotional comic book released in 1991 and featured in Electronic Monthly and Sega Visions magazines)
Sonic the Hedgehog (Archie Comics)
Sonic the Comic (Fleetway)
Knuckles the Echidna (Archie Comics series)
Dash & Spin; Super Fast Sonic!! (Coro Coro Comics, Japan)
Sonic X (Archie Comics)
Sonic Universe (Archie Comics)
ALSO: I know we probably already have a Sonic megathread somewhere else, but I felt we need a new one. So discuss Sonic related stuff.