As with most of Smallville ‘s most successful meteor freaks, Eric returned in the Season 3 episode “Asylum,” still bitter and still unable to best Clark even when he leeched his powers again.

Lois Lane's Smallville Debut "Crusade" - Season 4, Episode 1 "Crusade" is one of the best episodes of Smallville, but it's also the first and greatest episode starring Lois Lane.