Blue
Show: Smallville --> Season: 7 - Season 7
AirDate: 11/15/2007
Runtime: 43
Voting: 7.3 (10)

Overview: Clark hears his mother's voice trapped in Kara's crystal, and releases her. She gives him Jor-El's ring made of Blue Kryptonite, which strips him of his powers.
Michael Cassidy
Grant Gabriel
Christopher Heyerdahl
Zor-El
Helen Slater
Lara-El
Jason Poulsen
Colin
Terence Stamp
Jor-El (voice)
Angela Moore
Detroit Waitress
Mike Ennis
EMT
Patricia Cullen
Meteorologist