Ep 18. Intervention

Buffy the Vampire Slayer season 5 episode 18 is titled "Intervention". In this episode, Buffy continues to train the potential Slayers while dealing with her own emotional upheaval. She struggles with her complicated relationship with Spike and tries to uncover the true intentions of Glory, the goddess who is hunting for the key that Buffy and her friends have been protecting.

Meanwhile, Spike has become more obsessed with Buffy than ever before, and he goes to extreme lengths to prove his love for her. He convinces a group of demons to create a realistic robot version of Buffy that he can keep in his crypt. The robot Buffy looks and acts exactly like the real Buffy, but she is completely under Spike's control.

Buffy and her friends are completely unaware of the robot Buffy and continue to focus on their mission to protect the key and defeat Glory. However, when Buffy finally discovers Spike's secret, she is horrified and angry. She confronts Spike about his actions and tells him that their relationship can never happen.

Despite the robot Buffy's convincing appearance, she begins to malfunction and reveals herself to Buffy during a crucial battle against Glory. Buffy and her friends are able to defeat Glory, but not without significant losses. In the aftermath of the battle, Buffy is forced to come to terms with her complicated emotions and the ramifications of her relationship with Spike.

"Intervention" explores themes of love, obsession, and the lengths that people will go to in order to prove their affection. It also delves deeper into the mythology of the show, revealing more about Glory's motivations and the history of the key. This episode serves as a critical turning point in the series, as Buffy begins to confront her own emotional demons and prepare for the epic battle to come.