Question: when is the release date of the sequel of the series in which the title character is the sonic the hedgehog?
Sentence (from "List of Sonic the Hedgehog characters"): The "Sonic the Hedgehog" video game franchise began in 1991 with the game "Sonic the Hedgehog" for the Sega Genesis, which pitted a blue anthropomorphic hedgehog named Sonic against a rotund male human villain named Doctor Eggman (or Doctor Ivo Robotnik).
Relevant evidence: No