What Show Has the Most Satisfying Ending?

A great TV show can keep you entertained for seasons, but delivering a satisfying ending is a whole different challenge. Some shows manage to wrap up their stories beautifully, giving their characters the closure they deserve, while others leave fans disappointed after years of emotional investment.

Which TV show do you think nailed its ending the best? The kind of finale that made you sit back and feel like every episode was worth watching.