Smallville
Season 4 Episode 19 - Blank
When a boy who can make people lose their memories robs the Talon, Clark goes after him but gets total amnesia. Chloe finds out what happened and has to tutor Clark in the use of his superpowers and make sure he doesn't accidentally reveal his secret. While Clark, Chloe, and Lois try to track down Kevin, Clark takes advantage of his "new life" to ask Lana on a date. And Lex tries to turn Clark's memory loss to his advantage by getting him to reveal the secret of the caves.
Episodes in Season 4
Crusade
43 min
Gone
43 min
Facade
43 min
Devoted
43 min
Run
43 min
Transference
43 min
Jinx
43 min
Spell
43 min
Bound
43 min
Scare
43 min
Unsafe
43 min
Pariah
43 min
Recruit
43 min
Krypto
43 min
Sacred
43 min
Lucy
43 min
Onyx
43 min
Spirit
43 min
Blank
43 min
Ageless
43 min
Forever
43 min
Commencement
43 min