Buffy the Vampire Slayer (1997)

S2E7 Lie to Me

Buffy falls into a scheme set by a band of aspiring undead who believe that by capturing her, they can persuade Spike to transform them into vampires. Their plan hinges on the hope that Spike will see the value in trading the Slayer for their dark desires, leading to a tense confrontation that tests loyalties and reveals hidden agendas.