In the landmark 100th episode of the series, Clark reveals his secret to Lana. Jonathan and Lex learn the results of the senatorial election. And after a tragic car accident on the highway takes the life of someone he loves, Clark desperately returns to the Fortress of Solitude and begs Jor-El (voiced by Terence Stamp) for help.

Season 5 | Episode 12

Allison Mack

as Chloe Sullivan

Annette O'Toole

as Martha Kent

Erica Durance

as Lois Lane

John Schneider

as Jonathan Kent

Kristin Kreuk

as Lana Lang

Michael Rosenbaum

as Lex Luthor

Tom Welling

as Clark Kent