Sonic the Hedgehog different media including animation, comic books, and a Hollywood film. The first "Sonic" game, "Sonic the Hedgehog", is a platform game released in 1991. Players control the anthropomorphic blue hedgehog Sonic, who can run and jump at high speeds using springs, ramps, and loops. Sonic must stop Dr. Robotnik from taking over the world using the Chaos Emeralds. "Sonic the Hedgehog 2" (1992) increased the overall size and speed of the series' gameplay and was the second best-selling Genesis game. It introduced Sonic's sidekick and best friend, Miles "Tails" Prower, who followed Sonic throughout the game, and allowed a second
Adventures of Sonic the Hedgehog released on December 9, 2008, and features episodes 23–44 with the featurette "How to Draw Dr. Robotnik". The third volume contains the final 21 episodes of the series, plus the "Sonic Christmas Blast" special and the featurette "How to Draw Tails". These episodes were not compiled in the correct airdate order in the final volume. These sets were discontinued in 2012 along with "Sonic the Hedgehog" and "Sonic Underground" after Shout!'s deal with Cookie Jar Entertainment expired. In Region 2, Delta Home Entertainment released "Adventures of Sonic the Hedgehog: The Complete Series" on DVD in the UK on June 11,