Smallville :

In the landmark 100th episode of the series, Clark reveals his secret to Lana, but there are consequences. 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 for help. Lionel reveals to Jonathan he has a little more up his sleeve.