Cue the Nostalgia! Favorite TV Reunions

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Dan Stevens and Michelle Dockery in 'Downton Abbey'
ITV Studios

It just warms the heart to see some of your sitcom families, TV buddy cops and small-screen BFFs reunite years after their shows have gone off the air. Click through the gallery to see some of your favorite small-screen characters hang out in real life -- and definitely be prepared for a major hit of nostalgia!