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These shows changed with one moment. Welcome to MsMojo, and today we’re counting down our picks for the scenes that announced a complete shift in the tone, dynamics, or entire premise of the show. Our countdown includes "Roseanne," "M*A*S*H," "Breaking Bad," and more! Which of these moments do YOU remember watching live?

When Happy Days switched from single camera to three camera live.

When Wonder Woman switched from WWII to disco era.

When Valerie Harper left Valerie and it became The Hogans.

When Battlestar Galactica changed to Galactica 1980.

When Mama's Family switched from NBC to syndication.

When Baywatch switched from NBC to syndication.

When MASH changed from comedy to dramedy.

When Josie and the Pussycats went to Outer Space.

When Good Morning Miss Bliss became Saved by the Bell.

Every season of The Doris Day Show (farm with kids, city with kids, city without kids, city no kids new coworkers).

The Lucy Show with Viv and kids, The Lucy Show without Viv or kids, Here's Lucy with her own kids.

When The Andy Griffith Show became Mayberry RFD.

Batman camp. Batman campier. Batman comedy.