Screen Rant

  • What happened to Donna's sister, Tina, on That '70s Show? 1 / 9

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  • The character made her first and only appearance in season 1. 2 / 9

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  • The character was played by Amanda Fuller. 3 / 9

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  • Tina was then written out of the show. 4 / 9

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  • The writers wanted Donna to be an only child. 5 / 9

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  • There was a humorous nod to Bob and Midge's missing daughter in season 2. 6 / 9

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  • But that wouldn't be the last time Laura Prepon worked with Fuller. 7 / 9

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  • Prepon played Alex throughout Orange Is the New Black. 8 / 9

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  • Fuller appeared in season 6 as a fellow inmate, "Badison." 9 / 9