The Bradys are still one of the best families on TV, but behind the scenes, “family” secrets threatened to have the show yanked off-air.

Television doesn't owe permanence. A star might headline the posters, but the story may quietly outgrow them. Sometimes, a new voice takes the lead, or the center just blurs.

Whether it’s a beloved sitcom cast, an iconic drama crew, or a long-awaited revival episode, television reunions offer some of the best nostalgia, closure, and emotional payoff on TV. These moments bring characters back together on screen, often years after viewers last saw them, reminding us why those relationships mattered so much in the first place. Here are 20 of the most legendary TV reunions ever aired.