Giles travels to London for a watchers' meeting to discuss about Glory and leaves Anya in charge of the Magic Box. When Willow uses the supplies of the store to cast a spell to create a ball of sunshine to help Buffy to slay vampires, Anya argues with her and the distracted Willow releases a troll imprisoned in a parallel world. Olaf the troll destroys the store and goes to the Bronze to drink beer with the intention of eating babies. Meanwhile, the whimpering and needy Buffy is missing Riley and Willow and Anya chase Olaf. When they fight against the troll, Xander unsuccessfully tries to help his girlfriend and his best friend, and Olaf asks him to choose between Anya and Willow who might live.
"Triangle" is a funny episode, with many hilarious situations. Olaf the troll, Anya, Willow, Xander, Spike and Tara have great lines that made me laugh, specially with the monologue of Spike with his mannequin. The most important scene is the last one, when the annoying Dawn listens to the discussion of Buffy, Giles and Joyce about The Key. My vote is seven.
Title (Brazil): "O Triângulo" ("The Triangle")