Continuity Nod / Sonic Forces: Resistance is Magic

• Sonic has taken a liking to Green Hill, calling it his neighborhood.
• Sonic briefly talks to the Wisps in Lost Valley wondering if they're willing to help him again, which they agree to.
• When questioned on his betrayal, Shadow calls Sonic Faker and brings up their rivalry, citing they have unfinished business.
• The Mane 6 and Spike get a summoning from the Cutie Map, recalling one of the last occasions the ponies were called together.
• Infinite recalls that the Mane 6 were the bearers of the Elements of Harmony.
• Upon hearing that Starlight Glimmer (who they haven't seen before they left) was on Eggman's side, the Equestrian heroes are shocked as they thought her redemption was genuine.
• Tails tries to plead to Chaos that he's on the side of good now and aims his arm cannon at him. He also knows to aim for the brain.
• Tails immediately recognizes Classic Sonic when he arrives and mentions the Time Eater to Spike.
• Classic Sonic silently alludes to his most recent adventure multiple times and teaches Tails and Spike the Drop-Dash.
• Tails leaves his friends because he believes it isn't the first time he blamed himself when he thought Sonic died.
• Sonic and Zavok bicker during their fight on the Death Egg with Sonic not taking him seriously.
• Sonic groans that the Death Egg won't stay destroyed.
• Sombra conquers Green Hill and Twilight pointing out that enslaving innocents isn't anything new for him.
• Classic Sonic recalls his previous trip to Oil Ocean and his experience helps in the Metal Sonic fight.
• Pinkie Pie wanted Sonic to make a Pinkie Promise before Rainbow Dash interrupted her.
• Sonic points out that he’s kinda learned his lesson when it comes to jumping into action without thinking.
• Tails references Modern Sonic fighting the Egg Dragoon and recalls what he was told to help in his fight.
• While trying to clear her mind, Twilight learns about GUN, the Babylonians, Light and Dark Gaia, and the Ifrit.
• Rouge pleads to Shadow about their friendship and points out how he would never ally himself with Eggman again.
• Spike references what happened the last time he and Twilight crossed dimensions. And even brought up the time Twilight met her own doppelganger.
• During the fight between Shadow and Queen Chrysalis, the latter uses her shapeshifting powers to take the form of Maria Robotnik, causing Shadow severe emotional distress.