It seems like the brains behind our favorite shows think we’re not watching when they suddenly replace one actor with another without explanation. The makeover is pretty normal on TV, but while the replacement of a supporting character can often go unnoticed, the makeover of the main stars can leave viewers confused.

We detected 8 times that actors were replaced during popular shows, and we wondered if you noticed these changes when you were watching them.

Janet Hubert was replaced by Daphne Maxwell Reid in the role of Vivian Banks in The Fresh Prince of Bel-Air, 1990.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Alicia Goranson was replaced by Sarah Chalke in the role of Becky Conner in Roseanne, 1988.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Rowan Blanchard was replaced by Alexis G. Zall in the role of Jackie Geary in The Goldbergs, 2013.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Parker Bagley was replaced by Drew Van Acker in the role of Jason DiLaurentis in Pretty Little Liars, 2010.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Jane Levy was replaced by Emma Greenwell in the role of Mandy Milkovich in Shameless, 2011.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Nick Jonas was replaced by Jordan Masterson in the role of Ryan Vogelson in Last Man Standing, 2011.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Shailene Woodley was replaced by Willa Holland in the role of Kaitlin Cooper in The O.C., 2003.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Ross Butler was replaced by Charles Melton in the role of Reggie Mantle in Riverdale, 2017.

8 Actors Who Were Suddenly Replaced in the Middle of the Show
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Which of these shows have you watched? Did you notice that the actors were replaced during the show?

Preview photo credit Carlo Allegri / Getty Images Entertainment / Getty ImagesShutterstock.com