Well Sonic was having a nice time or something and Dr Eggman hired Silver(who had come on a mission from his time to change the future)Silver tries to kill Sonic but they end up working together to beat Mephilles the dark and Iblis and Solaris
Sonic met Shadow after eggman dicovered him on sonicx. Shadow was sent to get rid of sonic but just as he was saying how fourtunate sonic was that he didnt use his full strength the police arrived and shadow made himself scarce and sonic was arrested for stealing the chaos emerald (or at least that's what they thought).
sonic 2
Sonic met Tails first, then Knuckles.
In the episode Tails' new home, sonic has a flashback showing how he met Tails, but it is unknown when.
in sonic x you can find it write sonic x episode 18.
No, but its in Sonic X the cartoon.
they never show but they show when sonic meets tails, but you can go to Google and go to videos and write how did sonic meet Amy and mabie they show ya.
at the firs city
were did 3 tails get there tails from
sonic met rouge in sonic hereos when his team-team sonic-(sonic,knuckles, and tails) were fighting with team dark (shadow,rouge and omega)
Sally is Sonic's current girlfriend, back from Knothole Village. When Sonic and Tails arrive their old home, they meet her and Bunnie.
Sonic visited West Side Island and while he was away from his plane, Tails stalked him for a while. Later that early afternoon Tails looks at Sonic's plane and then finds Sonic sleeping under it. He later sees the nearby forests explode as Robotnik has arrived and Sonic wakes up and decides to work with Tails.
no tails does not live with sonic.