When will clark and Lois hook up in Smallville?

In the TV series "Smallville," Clark Kent and Lois Lane share their first significant romantic moment in Season 8, particularly in the episode titled "Savage," where they share a kiss. Their relationship develops over the subsequent seasons, culminating in a deeper connection. They officially become a couple in Season 10, with their romance fully realized by the series finale, where they share a passionate kiss before Clark embraces his superhero destiny.