Twice each day we scan our YouTube metrics as well as websites on the cutting edge of internet culture to discover the most buzzed about videos.

Epic Goal	Another Real Life Mario Kart	Firework	Clash in Tehran

1. Ross Barron, a 19-year-old with down syndrome, scored his first varsity goal last week for Louisiana's Pineville HS in his final game. As seen on Prep Rally.
2. You may have seen Remi Gaillard's real life Mario Kart, now YouTube filmmaker Freddie Wong has created his own special-effects-heavy version that's one of Friday's Most Shared videos.
3. This shirtless-dude version of Katy Perry's "Firework" from Arkansas is one of the Most Shared videos today in Tulsa and Memphis, two big cities that sandwich the state.
4. This nearly 20-minute video takes you directly inside an alleged confrontation between protesters and police in Tehran. See more at CitizenTube.