Sonic's gone to plaid in the latest TAS by marzojr. It starts from a savestate to take advantage of Hyper Sonic from the beginning of the game. (For more details, see the note below and the run's comments.)

WARNING: The awesomeness of Hyper Sonic may damage your eyes or trigger seizures in susceptible people.

Note: This movie begins from a save state from the end of regular mode in order to access Hyper Sonic from the beginning of the game. There is no other way to access it outside of a hack. We normally do not accept movies which begin from a save state.

To download a savestate for this movie, use this link for Gens version 11a or this link for Gens version 11b.

Note: There is an experimental hi-def encode of this run available (1920x1344):

https://www.archive.org/download/GenesisSonic3KnucklesnewgameIn3116.15ByMarzojr/knsonic3-tas-newgameplus-marzojr_1344.mkv

It was encoded using HQ3x followed by HQ2x on every frame of the video, but it requires a very fast computer to play at full speed.