Question: when is the release date of the sequel of the series in which the title character is the sonic the hedgehog?
Sentence (from "Sonic &amp; Knuckles"): Released on October 18, 1994, it is an installment in the main "Sonic the Hedgehog" series and a direct sequel to "Sonic the Hedgehog 3", which released earlier that year.
Relevant evidence: Yes