During Season 6,
Topher Grace and
Ashton Kutcher wanted to leave the series, but decided to stay on for season 7, which was supposed to be the final season. But Fox decided to go on and make Season 8 without either cast member. The characters of Eric and Kelso were written out of the show. Fox brought in a new character named Randy to take their place. With two of the most popular characters gone, ‘That 70s Show’’s ratings heavily dropped and Fox was forced to end the show. But Topher Grace and Ashton Kutcher still decided to return for the final episode of the series.
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