Sonic the Hedgehog #12 — Sonic Scribes

""A Timely Arrival": Robotnik builds a time machine to get rid of Sonic by transporting him to the past! Sonic enters the trap and lands ens up landing in prehistoric Mobius where he meets Sonugh the Boghog, and the caveman Ivo Robughnik and other Freedom fighter ancestors - but they're all afraid of the surface because it offers no cover!"