THEN AND NOW: The cast of 'Freaks and Geeks' 21 years later

Throughout the series, Lindsay struggles to fit in with her new "freak" friends while maintaining her former reputation as a "geek."

During the 2000s, she snagged a main role as Samantha Taggart on NBC's "ER," and later earned a recurring spot on AMC's "Mad Men."

Some fans may recognize her as Velma from The "Scooby-Doo" movies. She also recently appeared in the Oscar best-picture winner "Green Book."

As of late, she stars opposite Christina Applegate on Netflix's dark comedy "Dead To Me," which recently debuted its second season.

On the show, Sam was known for his caring personality. He was frequently at the center of painfully embarrassing situations, like falling for the wrong girl and getting egged on Halloween.

Nevertheless, Sam always looked out for his sister and his friends.

From 2007 to 2014, Daley portrayed Dr. Lance Sweets on the Fox drama series "Bones."

Daley also cowrote the 2011 comedy "Horrible Bosses" with Jonathan Goldstein, and was credited as a writer for the box-office smash "Spider-Man: Homecoming."

Despite Neal's love for science and some "nerdy" things, he believed he was more mature and sophisticated than his friends.

Throughout the series, he also had a secret, ill-fated crush on his best friend Sam's older sister, Lindsay.

During the early 2000s, he appeared in several popular films like "Wet Hot American Summer" and "Not Another Teen Movie."

He recently reprised his role as the voice of Arty for the "Wet Hot American Summer" prequel on Netflix.

Between his unusually tall stature, massive spectacles, and bizarre commentary, Bill was the geekiest of his friends.

The former "geek" popped up in Judd Apatow's comedy films "Knocked Up" and "Superbad."

In 2012, he reunited with several of his "Freaks and Geeks" co-stars for the movie "This Is The End."

Starr also appeared in the short-lived comedy series "Party Down" and currently portrays Bertram Gilfoyle, a cynical engineer, on the Emmy-nominated HBO series "Silicon Valley."

You may have also recognized him in the latest Marvel "Spider-Man" movies, where he plays a teacher.

Alan frequently tormented Sam and the rest of the geeks.

His recognized credits include Dean's friend Kyle on The CW's "Gilmore Girls" from 2003 to 2005. He hasn't acted in many major projects since.

In 2019, he appeared in Logic's music video for "Homicide."

By the end of the series, it was clear that Cindy and Sam weren't a great match.

Melnick's most recent role was voicing the character Ruth Cochamet on "Family Guy" from 2005 to 2012.

Daniel was never afraid to take risks or get into trouble. As long as he had his on-again, off-again girlfriend Kim by his side and his friends, he was content to do anything.

In 2001, Franco won a Golden Globe for his portrayal of James Dean in the Mark Rydell-directed biopic of the same name.

Franco also became well known for frequently acting alongside his former "Freaks and Geeks" co-star Seth Rogen. The pair appeared together in "Knocked Up," "Pineapple Express," "This Is The End," "The Interview," and several other films.

That said, his rise to fame has not been without controversy.

Currently, Franco is being sued by two former students of his now-defunct acting school. They accuse Franco and his business partners of sexually exploiting female students, according to a lawsuit seen by the New York Times.

And, in 2018, five women accused Franco of engaging in inappropriate sexual behavior. Per the Los Angeles Times, Franco's attorney has disputed all of the women's allegations.

Kim never held back her opinions, which made her come off as intimidating to Lindsay and the geeks. She also couldn't get enough of her "stud" of a boyfriend, Daniel.

She's best known for her roles on The WB's "Dawson's Creek" and ABC's "Cougar Town."

The actress has also appeared in films like "Maid of Honor" and "He's Just Not That Into You."

From 2018 to 2019 she hosted her own talk-show, "Busy Tonight."

Mr. Rosso never hesitated to name-drop a rock band he liked in front of the freaks or show off his guitar skills.

Allen has appeared on dozens of TV shows over the years.

You may have noticed him on Nickelodeon's "Ned's Declassified School Survival Guide" and, recently, the Netflix series "Love."

Ken was known for his abrasive one-liners, admiration for "tuba girl" Amy, and fervent hatred of all disco music.

After the show ended, Rogen's comedy-acting career skyrocketed as he appeared in many of Judd Apatow's most iconic films, including "Anchorman," "Knocked Up," and "Funny People."

He also co-wrote and starred in the films "Pineapple Express," "Superbad," and "This Is the End."

Lately, Rogen keeps busy as the executive producer of Amazon's satirical superhero show, "The Boys." He is also the co-founder of Hilarity for Charity, a nonprofit that supports Alzheimer's awareness.

Rogen can also be heard as the voice of Pumbaa in "The Lion King" live-action movie, one of the highest-grossing films of 2019.

Nick had dreams of being a drummer in a rock band, but his aspirations were killed by his father's desire to enlist him in the army.

Following his role on "Freaks and Geeks," Segel portrayed the lovable lawyer Marshall Eriksen on the critically acclaimed CBS sitcom "How I Met Your Mother."

He also starred in the comedy films "Forgetting Sarah Marshall," "The Five Year Engagement," "The Muppets," and "Sex Tape."

Fans also came to love him for his role in the film "I Love You, Man."

On top of that, Segel co-authored the young adult novel "Otherworld," which was released in 2017.

He recently appeared on AMC's "Dispatches from Elsewhere."

Millie didn't need drugs to have fun and preferred to "get high on life."

Her most well-known role is perhaps when she played Amanda on The WB's "Buffy the Vampire Slayer."

In the years since, she appeared on a few TV series and starred in a few shorts, like "Breaking Fat."

But acting doesn't seem to be her sole focus these days. Per Hagan's Instagram, she currently works in ceramics.

Kowchevski kept the kids at McKinley High School in check.

Bannos had small parts in "The 40-year-old Virgin," "Superbad" and "Pineapple Express."

He most recently portrayed "Frank" on the Netflix series "Love."

Mrs. Weir believed the best of her kids, even when they weren't being totally honest.

Prior to this role, Becky Ann Baker had acted in stage plays such as "A Streetcar Named Desire," "June Moon" and "The Best Whore House in Texas."

Baker notably earned a recurring role portraying Hannah Horvath's mom on the HBO series "Girls" and was featured prominently on the second season on the same network's hit drama "Big Little Lies"

During the series finale, Sara miraculously convinces Nick to join the disco-dance team.

She also acted alongside former co-stars Rogen and Franco in "The Interview" and appeared in Franco's 2017 film "The Disaster Artist."

Caplan recently appeared on the Hulu drama series "Castle Rock" and the Apple Plus drama "Truth Be Told."

Karen also bullied Sam and painted the words "pygmy geek" across his locker.

Today, most fans know Jones as Ann Perkins from "Parks and Recreation."

Jones has also acted in dozens of projects, including NBC's "The Office" and "I Love You, Man," which also starred Segel. She's also worked behind the camera producing multiple projects, like the Netflix series "#BlackAF."

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