Smallville - Season 4 Episode 19
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.
First Air Date : 2001-10-16
Last Air date : 2011-05-13
Runtime : 57 minutes
Genre : Sci-Fi & Fantasy, Action & Adventure, Drama
Cast : Tom Welling, Erica Durance, Cassidy Freeman, Justin Hartley
Crew : Alfredo Septién (Co-Executive Producer), Turi Meyer (Co-Executive Producer), Tom Welling (Executive Producer), Tom Flores (Producer), Anne Cofell Saunders (Supervising Producer), Cristina Verano (Associate Producer)
Quality : 
Subtitles :
- Season 4 : Episode 12004-09-22
- Season 4 : Episode 22004-09-29
- Season 4 : Episode 32004-10-06
- Season 4 : Episode 42004-10-13
- Season 4 : Episode 52004-10-20
- Season 4 : Episode 62004-10-27
- Season 4 : Episode 72004-11-03
- Season 4 : Episode 82004-11-10
- Season 4 : Episode 92004-11-17
- Season 4 : Episode 102004-12-01
- Season 4 : Episode 112005-01-26
- Season 4 : Episode 122005-02-02
- Season 4 : Episode 132005-02-09
- Season 4 : Episode 142005-02-16
- Season 4 : Episode 152005-02-23
- Season 4 : Episode 162005-03-02
- Season 4 : Episode 172005-04-13
- Season 4 : Episode 182005-04-20
- Season 4 : Episode 192005-04-27
- Season 4 : Episode 202005-05-04
- Season 4 : Episode 212005-05-11
- Season 4 : Episode 222005-05-18
