A Sonic Frontiers and MLP Season 9 crossover.
The story takes place at the final season of MLP and Sonic Frontiers, Sonic and the Mane 6 have known each other before, somewhere at Season 3-4 and Sonic and Twilight have made a relationship together...
Lord Tirek: Why are so many ponies up in the middle of the night? Cozy Glow: It's that silly sun holiday. Queen Chrysalis: How many holidays do you ponies have? No matter. Getting into the castle won't be a problem. Lord Tirek: Are you sure about that? (Points at the giant fans that happened in Twilight's Seven) Queen Chrysalis: Oh. Those are new. But even so... [transforms into a royal guard]
Queen Crysalis tries to enter the security door but wouldn't open. Queen Chrysalis: [affected voice] Transfer. Have to head inside. Open up. A royal guard then opens the door but quickly closes. Queen Chrysalis: Right. Of course. [laughs nervously] (tries to use royal guard medal but won't open.) Uh, do yours get glitchy too? More medallions, more problems, am I right?
Returns to Tirek and Cozy
Queen Chrysalis: [normal voice] They've increased security into the castle. This is going to be more challenging than I thought. (Transforms back to normal)
Mane 5, Sonic's friends and Discord appears behind them, not knowing that the villains were hiding behind barrels
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Rainbow Dash: Could you not go popping us all over the place, please?! Discord: Time is of the essence. Let's go, team! Fluttershy: We need to know what we're doing before we go and do it. Applejack: Amy, Pinkie and Cream we are givin' Braeburn and the Appleloosan ponies some adjustments to the menu. Amy: Alright. Cream: Oh goodie (cheerfully) Rainbow Dash: Fluttershy and I are meeting the Pegasi from Cloudsdale to give them changes to the weather. Rarity: Spike and Rouge we're going to update the Flaming Sky Firework Unicorn Troupe with Twilight's new vision. Rouge: you got It. Discord: And I'm supposed to... [reading] "make sure Discord doesn't do anything 'Discord-y'"? Well, that's annoyingly specific! Knuckles: And I'm keeping my eye on you..
(Everyone spreads)
Lord Tirek: Increased security on a crowded holiday with Twilight and her friends bumbling around? This is impossible. Queen Chrysalis: Oh, no. This is perfect. We need a distraction, and those ridiculous ponies just gave it to us. Now, do exactly as I tell you.
(Earth ponies selling pies and Pinkie pops out.) Pinkie Pie: Step away from the wagons! Official food-tasters here on official food-tasting business! [starts eating] Braeburn: [sighs] Well, it ain't gonna be easy. But I think we can whip up these new cookies Twilight wants before sunrise. Applejack: If anypony can handle some last-minute bakin', Braeburn, it's y'all. Pinkie Pie: [chomps, gulps] Braeburn: We brought plenty for the Celebration. Cream: But if Pinkie keeps eating those pies might be in trouble. Amy: [Tries to grab Pinkie but no effect] grr.. (Applejack grabs Pinkie's tail and pulls her.) Pinkie Pie: [chomps, gulps] But I see a suspicious-looking cookie! Amy: You do realize that these are for the Summer Setback?
