Smallville (2001)

S10E14 Masquerade

Chloe and Oliver are erroneously identified as FBI agents probing into Desaad's latest murder spree, leading to their abduction by Desaad's henchmen. Desaad attempts to corrupt Chloe with his sinister influence. Meanwhile, Lois advises Clark to exercise greater caution regarding his secret identity and proposes the idea of a disguise to keep him safe.