Clark Kent using his super speed; from doing farm work to saving canines.

Smallville (Season 4, Episode 13 - "Recruit") [0:00]
Smallville (Season 4, Episode 14 - "Krypto") [0:07]
Smallville (Season 4, Episode 15 - "Sacred") [0:48]
Smallville (Season 4, Episode 16 - "Lucy") [1:27]
Smallville (Season 4, Episode 17 - "Onyx") [2:19]
Smallville (Season 4, Episode 18 - "Spirit") [2:50]
Smallville (Season 4, Episode 19 - "Blank") [3:23]

Tom Welling as Clark Kent