"Found You!" - Exetior when he founded knuckle's.
You Can't Run is a polluted factory from Scrap Brain Zone place but with Red Cloudy Sky, However when you walk for a short time the screen will glitch and appears with blood on the ground.
Knuckles arrives at Scrap Brain looking for Sonic. After walking passed to the whole level the screen until the screen flicking appears until it appears to have blood all over the ground. Suddenly Exetior appears and says "Found You" but then knuckles punched him through the wall.
Exetior got mad and then starting to chase you through out the level.