Sonic the Hedgehog #20 was published by IDW Publishing on August 1, 2019, as part of a series that began in 2018. Ian Flynn writes, and art comes from Bracardi Curry, Evan Stanley and Jack Lawrence. This 32-page issue features Sonic, Tails, Dr. Robotnik, Knuckles and Amy Rose, among 28 characters cataloged on VerseDB.