Smallville (2001)
S10E17 Kent
Episode Overview
While exploring the barn, Clark stumbles upon a mysterious mirror box. Suddenly, Clark Luthor appears, sending Clark Kent into a parallel universe where he encounters a furious Jonathan Kent. Back in the original reality, Clark Luthor confronts Tess, threatening her life unless she aligns with him. Meanwhile, Lois seeks Emil's assistance to rescue Clark from this alternate dimension.