Clark Meets Troubled Youth, Bart Allen -- (Smallville - S4; E5)

Clark Kent encounters a delinquent with the ability to move even faster than he can.

Smallville (Season 4, Episode 5 - "Run")

Tom Welling as Clark Kent
Kyle Gallner as Bart Allen
John Schneider as Jonathan Kent

Song:
"Welcome To My World" by Kyle Newvachek