Episode 73 of "Smallville"
s04e07 Jinx
Title: Jinx
Original Air Date: 11/03/2004 on WB
Director: Paul Shapiro
Writer: Mark Warshaw
Guest Stars: Graham Young), Rob Freeman (Coach Quigley), Kevan Kase (Danny Crozer), Karina Christianson (Cheerleader), Adam Thorum)
Plot Outline:
Mikail Mxyzptlk, a foreign exchange student and bookie, has the power to control others and uses it to sabotage football games, including the one Clark is quarterbacking. Clark and Chloe figure out his secret, but he threatens to kill Chloe unless Clark throws the next game. Mikail came to Smallville via LuthorCorp, and Lex will do almost anything to learn his secret.