Smallville - Season 2 Episode 18
After a schoolmate claims to be an alien and proves it by using heat vision, Clark investigates and believes the boy is from Krypton. Meanwhile, Helen confronts Lex over the locked room in the mansion that holds his investigation of Clark's secrets.
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 2 : Episode 12002-09-24
- Season 2 : Episode 22002-10-01
- Season 2 : Episode 32002-10-08
- Season 2 : Episode 42002-10-15
- Season 2 : Episode 52002-10-22
- Season 2 : Episode 62002-10-29
- Season 2 : Episode 72002-11-05
- Season 2 : Episode 82002-11-12
- Season 2 : Episode 92002-11-19
- Season 2 : Episode 102002-11-26
- Season 2 : Episode 112003-01-14
- Season 2 : Episode 122003-01-21
- Season 2 : Episode 132003-01-28
- Season 2 : Episode 142003-02-04
- Season 2 : Episode 152003-02-11
- Season 2 : Episode 162003-02-18
- Season 2 : Episode 172003-02-25
- Season 2 : Episode 182003-04-15
- Season 2 : Episode 192003-04-22
- Season 2 : Episode 202003-04-29
- Season 2 : Episode 212003-05-06
- Season 2 : Episode 222003-05-13
- Season 2 : Episode 232003-05-20
