This category contains all information that appears in all Sonic the Hedgehog 4 video games: Sonic the Hedgehog 4: Episode I, Sonic The Hedgehog 4: Episode II, and Sonic the Hedgehog 4: Episode Metal. Note that if any information exclusively exists in Sonic the Hedgehog 4: Episode Metal, it will be categorized in this category. Otherwise, it will be sorted in either Category:Sonic the Hedgehog 4: Episode I or in Sonic the Hedgehog 4: Episode II.