https://www.sonicstadium.org/2018/08/sonic-the-hedgehog-movie-release-date-moved-forward/
Originally was supposed to be released on the 15th of November, 2019.
Originally was supposed to be released on the 15th of November, 2019.
The move appears to have been in response to the shift in release date of Terminator 6, which has also been moved forward one week to the 15th of November 2019. This may be to due to avoid clashes in opening weekends, or down to commitments of Tim Miller who is both directing Terminator 6 and is an Executive Producer on the Sonic Movie.