Amy Rose was with her alternate self that was formerly participating in a race in Sonic and SEGA All Stars Racing, the two female pink hedgehogs looking at each other in awe as they were at Samba De Amigo's Carnival Island, being on the sandy beach at the Sun Fair race course.
"...So, let me get this straight." The alternate Amy commented, placing her right hand on her face as her left hand was on her elbow. "In an alternate universe, which is where you come from, I put on these tight jeans that curse me to fart?"
Amy frowned as she held her hands together, facing Alternate Amy. "Yeah... it's really depressing. I can't even look good without-" She then closed her eyes as she bent forward a bit, letting out a large, deep pitched fart as she felt her jeans puff up once more. "...Doing that."
"Ewww." Alternate Amy stuck her tongue out in disgust as she held her arms together, frowning while shaking her head. "Did you make a lot of brown stains?"
One more brassy poot from Amy answered Alternate Amy's question as the race course began reacting violently to Amy's bad gas, with both Amy Roses screaming as they held onto each other.
"What's happening!?" Alternate Amy exclaimed as she glanced to Amy.
Amy whimpered as she turned to Alternate Amy, the fart escaping her big butt being higher pitched as she gulped. "I think our presence together is tearing apart the foundation of the space time continuum!"
"Great Scott!" Doc Brown suddenly exclaimed as he had his hands on his head, glancing at the two pink female hedgehogs, wearing his yellow jacket from the alternate 2015. "This is heavy! I knew this would happen! This is precisely why alternate versions of the same characters must never meet! It defies all the logic that exists in the known containment of the universe! It can't be crossed over or serious repercussions could occur! In other words...!"
"...THE WHOLE UNIVERSE IS GOING TO DIE!" Vegeta shouted as he, too, suddenly appeared, standing next to Doc Brown.
"Well, I'm outta here. I rather not get erased, thank you very much." The SASASR announcer stated as he sighed off, not wanting to be apart of what was occurring as the other racers came back, wondering what the hell was going on.
