Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Stay above the fray using secret paths in Mad Gear Zone 4-1 Dr. Eggman's Secret Base.
Keywords: Sonic the Hedgehog 4: Episode I
Tags: base, s, secret, 1, hedgehog, 4, zone, sonic, guide, games, mad, dr, gear, guide-walkthrough, eggman, sonic-the-hedgehog-4-episode-i, walkthrough, xbox-360, ps3, wii, the