Spike shows up uninvited and tries to convince her that she loves him and just needs to admit it. She protests as he forces himself on her, his attempt to make her feel love for him again. ... He becomes distraught both that he attacked Buffy and that he backed off – something the pre-chip Spike would never have done.

Why does Spike attack Buffy?

In "Seeing Red," Spike goes to Buffy searching for forgiveness after having sex with Anya. Buffy is hurt and angry. She tells him she could never trust him enough to love him. He attempts to appeal to her, and when she says no (repeatedly) and pushes him away, he attacks.

What episode does Spike try to?

In Seeing Red, the season's 19th episode, Spike attempts to rape Buffy in the bathroom of her house, bereft at her decision to end their affair once and for all, something exacerbated by Spike sleeping with vengeance demon Anya the episode before. "I have feelings for you, I do," Buffy tells him.