Season 5 is where things get messy with Laurie.

To put it bluntly, that evil spark that Laurie Forman so embodied was gone.

Related:10 Best That ’70s Show Callbacks in That ’90s Show

Why Did Kelly Leave the Show?

The cast of That 70s show gather together and pose in front of a yellow and red retro striped background.

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So what was going on behind the scenes?

What could explain this sudden and unexpected shakeup of such a beloved character?

With the70s Show, I was guilty of a drinking problem, and I ran, she told Boudreau.

Lisa Robin Kelly as Laurie Forman in That 70s Show

Image via Fox

This would explain Lauries absence for Season 4 and welcome return in Season 5.

What Happened After Kelly Left ‘That ’70s Show’?

The saddest part of it all is that Kelly never seemed to recover what she lost.OMG!

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Her death shook70s Showfans and co-stars alike, withDebra Jo RupptellingOMG!

Insider, I just know that when people have trouble like that theres a lot of sadness.

I loved her, Ilovedher, she was so good in that part.

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Midge (Tanya Roberts), Donna (Laura Prepon), Laurie (Lisa Robin Kelly), Jackie (Mila Kunis), and Kitty (Debra Jo Rupp) in ‘That ’70s Show

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