Sonic Animated Episode 1: Green Hill Zone

An animated retelling of the first Sonic game.

Sonic the Hedgehog 4: Episode 1 Walkthrough Splash Hill Zone Act 1: The Adventure Begins

Sonic the Hedgehog Green Hill Zone Playset

Sonic The Hedgeblog — In early 'Sonic 1′ screenshots the Green Hill Zone

Review: Sonic 4 Episode 1 –

Launch details and photos of the LEGO Ideas 21331 Sonic the Hedgehog Green Hill Zone set! - Jay's Brick Blog

Green Hill Zone - Sonic Wiki - Neoseeker

Adventures of Sonic the Hedgehog (TV Series 1993) - Episode list - IMDb

Sonic Superstars Is A 2D Retro Throwback With Co-Op - GameSpot

Stream Sonic 1 Remastered - Green Hill Zone Act 1 by Michael Staple

Sonic the Hedgehog's Official New Green Hill Zone Lyrics Explained

LEGO Ideas Sonic the Hedgehog Green Hill Zone (21331) Officially Announced - The Brick Fan