Smallville - Season 3 Episode 19
Believing that key information about his father's past was lost when his memory was erased, Lex decides to join an experimental program with Dr. Garner to regain the information so he can turn his father over to the FBI. Knowing that Lex will discover his secret if he regains his memory, Clark tries to stop him but is caught by Lionel and the doctor and exposed to the same radical treatment so that Lionel can solve the mystery of Clark's past.
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 : Turi Meyer (Co-Executive Producer), Anne Cofell Saunders (Supervising Producer), Tom Welling (Executive Producer), Tom Flores (Producer), Alfredo Septién (Co-Executive Producer), Tim Scanlan (Co-Executive Producer)
Quality : 
Subtitles :
- Season 3 : Episode 12003-10-01
- Season 3 : Episode 22003-10-08
- Season 3 : Episode 32003-10-15
- Season 3 : Episode 42003-10-22
- Season 3 : Episode 52003-10-29
- Season 3 : Episode 62003-11-05
- Season 3 : Episode 72003-11-12
- Season 3 : Episode 82003-11-19
- Season 3 : Episode 92004-01-14
- Season 3 : Episode 102004-01-21
- Season 3 : Episode 112004-01-28
- Season 3 : Episode 122004-02-04
- Season 3 : Episode 132004-02-11
- Season 3 : Episode 142004-02-18
- Season 3 : Episode 152004-02-25
- Season 3 : Episode 162004-03-03
- Season 3 : Episode 172004-04-14
- Season 3 : Episode 182004-04-21
- Season 3 : Episode 192004-04-28
- Season 3 : Episode 202004-05-05
- Season 3 : Episode 212004-05-12
- Season 3 : Episode 222004-05-19
