Every That '70s Show Alum Who Appears in Netflix's That '90s Show Spin-Off

THAT '70S SHOW - Top row L-R: Wilmer Valderrama, Ashton Kutcher, Danny Masterson, Topher Grace, Laura Prepon. Center L-R: Don Stark, Tanya Roberts, Mila Kunis, Lisa Robin Kelly, Debra Jo Rupp, Kurtwood Smith. (Photo by FOX Image Collection via Getty Images)
THAT '70S SHOW - Top row L-R: Wilmer Valderrama, Ashton Kutcher, Danny Masterson, Topher Grace, Laura Prepon. Center L-R: Don Stark, Tanya Roberts, Mila Kunis, Lisa Robin Kelly, Debra Jo Rupp, Kurtwood Smith. (Photo by FOX Image Collection via Getty Images)

FOX/Getty

Warning: This post contains spoilers for That '90s Show.

Hello, Wisconsin!

Netflix's new That '70s Show spin-off, That '90s Show, is finally here — and though this is a new iteration, some familiar faces are stopping by their old stomping grounds.

Topher Grace (Eric Forman), Laura Prepon (Donna Pinciotti), Ashton Kutcher (Michael Kelso), Mila Kunis (Jackie Burkhart), Wilmer Valderrama (Fez), Danny Masterson (Steven Hyde), Debra Jo Rupp (Kitty Forman), Kurtwood Smith (Red Forman), Tanya Roberts (Midge Pinciotti), Don Stark (Bob Pinciotti), Lisa Robin Kelly (Laurie Forman) and Tommy Chong (Leo Chingkwake) were all part of the original series.

Airing from 1998 to 2006, the first iteration followed a group of teens' many misadventures in 1970s Wisconsin.

In the latest installment, Eric and Donna's daughter spends the summer at her grandparents Red and Kitty's home in Wisconsin. Callie Haverda (Leia Forman), Ashley Aufderheide (Gwen Runck), Mace Coronel (Jay Kelso), Maxwell Acee Donovan (Nate Runck), Reyn Doi (Ozzie), Sam Morelos (Nikki) and Andrea Anders (Sherri) star in the series alongside Smith and Rupp.

If you're ready to take a trip down memory lane, scroll down to see which That '70s Show alums make guest-star appearances on That '90s Show.

RELATED: That '90s Show Trailer Shows a Basement Full of 'Chaos' — and Teases Original Cast's Return

Ashton Kutcher as Michael Kelso, Mila Kunis as Jackie Burkhart in episode 101 of That ‘90s Show
Ashton Kutcher as Michael Kelso, Mila Kunis as Jackie Burkhart in episode 101 of That ‘90s Show

Courtesy of Netflix

Mila Kunis and Ashton Kutcher (Jackie Burkhart and Michael Kelso)

Toward the end of the season 1 premiere, audiences learn that Leia's new friend Jay (Mace Coronel) is the son of Michael Kelso (Kutcher), who married his on-and-off-again high school girlfriend Jackie Burkhart (Kunis). The couple returns to the Forman residence to pick up their son, revealing that they are getting "remarried."

Viewers even get to hear Kelso's iconic "burn" line again.

Topher Grace as Eric and Laura Prepon as Donna
Topher Grace as Eric and Laura Prepon as Donna

Patrick Wymore/Netflix

Topher Grace and Laura Prepon (Eric Formam and Donna Pinciotti)

In the premiere episode, the show's central couple — who is now married — return to the home in Point Place, Wisconsin, where Eric (Grace) grew up. The twosome arrive with their only daughter Leia (Haverda) to spend the Fourth of July weekend with Eric's parents, but Leia later convinces her own parents to let her stay the summer.

Prepon's Donna returns once again in episode five to have a heart-to-heart with her daughter. However, viewers see Donna once more in the season finale as she comes back to pick up her daughter at the end of the summer.

Kurtwood Smith as Red Forman, Topher Grace as Eric Forman, Debra Jo Rupp as Kitty Forman, Callie Haverda as Leia Forman in episode 101 of That ‘90s Show
Kurtwood Smith as Red Forman, Topher Grace as Eric Forman, Debra Jo Rupp as Kitty Forman, Callie Haverda as Leia Forman in episode 101 of That ‘90s Show

Patrick Wymore/Netflix

Kurtwood Smith and Debra Jo Rupp (Red and Kitty Forman)

The Forman parents are back as series regulars, tackling a new gang of rambunctious teens.

RELATED: Topher Grace Says 'It's Hard' to Watch That '70s Show Reruns, Talks 'Top Secret' That '90s Show

That ‘90s Show. (L to R) Wilmer Valderrama as Fez, Debra Jo Rupp as Kitty Forman in episode 103 of That ‘90s Show
That ‘90s Show. (L to R) Wilmer Valderrama as Fez, Debra Jo Rupp as Kitty Forman in episode 103 of That ‘90s Show

Netflix

Wilmer Valderrama (Fez)

As Fez (Valderrama) appears in episode two, it's revealed he's in a relationship with Red and Kitty's next-door neighbor. Viewers then learn in episode 3 that Fez runs a successful hair salon chain — and Kitty even visits to get her hair done.

Fez returns once more for the season finale, where he stops by the iconic basement the gang used to hang out in.

THAT '70s SHOW, Laura Prepon, Don Stark, 'Love Of My Life', (Season 8, aired May 18, 2006), 1998-2006, photo: Michael Yarish / TM and Copyright © 20th Century
THAT '70s SHOW, Laura Prepon, Don Stark, 'Love Of My Life', (Season 8, aired May 18, 2006), 1998-2006, photo: Michael Yarish / TM and Copyright © 20th Century

Everett

Don Stark (Bob Pinciotti)

Bob makes a hilarious appearance in episode six to celebrate the birthday of his granddaughter, Leia.

RELATED: Ashton Kutcher Says It Felt 'Pretty Bizarre' Filming the Upcoming That '70s Show Spin-Off

That ‘90s Show. (L to R) Tommy Chong as Leo, Mace Coronel as Jay Kelso, Callie Haverda as Leia Forman in episode 109 of That ‘90s Show
That ‘90s Show. (L to R) Tommy Chong as Leo, Mace Coronel as Jay Kelso, Callie Haverda as Leia Forman in episode 109 of That ‘90s Show

Patrick Wymore/Netflix

Tommy Chong (Leo Chingkwake)

The show's iconic stoner, played by Chong, makes two very memorable cameos on the Netflix spin-off. The first of them was a visit from Kitty and Leia in episode 2.

Chong's Leo later returns in episode nine to give directions to Leia and Jay after they get lost.

THAT '70s SHOW, Wilmer Valderrama, Mila Kunis, Jim Rash, 'Who Needs You', (Season 8, aired January 19, 2006), 1998-2006, TM and Copyright
THAT '70s SHOW, Wilmer Valderrama, Mila Kunis, Jim Rash, 'Who Needs You', (Season 8, aired January 19, 2006), 1998-2006, TM and Copyright

Everett

Jim Rash (Fenton)

The finale episode features a surprise return from Rash's Fenton, who still has some unresolved issues with nemesis Fez.

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Season 1 of That '90s Show is now streaming in full on Netflix.