The TV series Smallville first came out on October 16, 2001, when it premiered on The WB in the United States.

Quick extra context

  • It debuted as a teen-focused Superman origin story following a young Clark Kent in the town of Smallville, Kansas.
  • Season 1 ran from October 16, 2001 to May 21, 2002 on The WB network.

In other words, when people ask “when did Smallville come out?”, they’re almost always referring to that original US premiere date: October 16, 2001.

TL;DR: Smallville came out on October 16, 2001. Information gathered from public forums or data available on the internet and portrayed here.