you, Sonic, Tails, Knuckles, Amy and Shadow are hanging out, Knuckles was punching random things

Sonic: hey Knux, what you doing?

Sonic causes Knuckles to loose focus and Knuckles hits his head and passes out

a few hours later he wakes up with you, Sonic, Tails, Amy and Shadow surrounding him

Sonic: you ok Knuckles?

Knuckles nods, suddenly he gets up and hugs Sonic

Knuckles: heya buddy!

Sonic is surprised by the sudden hug