In preparation for the annual Snow Ball, Niles (David Hyde Pierce) takes dancing lessons from Daphne (Jane Leeves). He hadn't actually planned to take her to the ball -- but that's how things wind up. Upon seeing his estranged wife, Maris, with her date, Niles determines to show her up by performing a tango to end all tangos. The climax of this ballroom duel is a major defining moment in the relationship between Niles and Daphne. This Emmy-winning Frasier episode was the first to be directed by series star Kelsey Grammer. ~ Hal Erickson, Rovi