Lois Lane first shows up in Smallville at the very start of season 4, in the episode titled “Crusade”.

When Lois Appears

  • Lois is introduced in Season 4, Episode 1 – “Crusade”.
  • She comes to Smallville to investigate the apparent death of her cousin Chloe Sullivan.

How She Enters the Story

  • Lois arrives in town as a sharp, skeptical outsider who quickly clashes and then bonds with Clark Kent.
  • That episode marks the point where she starts becoming a regular presence in Clark’s life and in the show overall.

So if you’re queuing up the series and wondering “when does Lois Lane show up in Smallville” , start with Season 4, Episode 1: “Crusade.”

TL;DR: Lois Lane arrives in Smallville in Season 4, Episode 1 (“Crusade”) , when she comes to investigate Chloe’s supposed death.

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