When the opening theme of That '70s Show starts to play, it's tough for viewers not to sing and bop their heads along. That '70s Show features a cast of childhood friends growing up in 1970's Wisconsin. The gang frequently gathers in their friend Eric Forman's basement, with much disapproval from his stringent father, Red Forman.
The period sitcom aired for 200 episodes across eight seasons before being canceled in 2006. Over the course of its eight-season run, That '70s Show features numerous guest appearances by celebrities, some of which were definitely not born yet during the 1970s.
10 Betty White Plays Kitty Forman's Mother
Betty White is everyone's favorite Hollywood grandmother and star of the classic sitcom Golden Girls. This Oak Park native appears as Beatrice "Bea" Sigurdson, Kitty Forman's mother, on the fifth season of That '70s Show. The late Tom Poston plays Bea's husband, Burt, before his character collapses to his death in the family driveway.
Bea is challenging of Kitty and is always upset with her husband. She makes her last appearance in the episode Babe I'm Gonna Leave You, before suddenly disappearing.
9 Dwayne "The Rock" Johnson Plays His Wrestler Father
Before Dwayne "The Rock" Johnson skyrocketed to fame for his roles in The Scorpion King and the Fast And Furious franchise, he made a guest appearance on That '70s Show in 1999. Johnson stars as his famous wrestler father, the late Rocky Johnson, in the episode That Wrestling Show during That '70s Show's first season. Rocky Johnson was a high profile wrestler in the 1970s, so Johnson's cameo makes perfect sense.
Eric and Red meet Rocky backstage after a wrestling match. The pair fight over an autograph from the famous fighter and are star-struck by his presence. Like they say, "Like father, like son."
8 Lindsay Lohan Stars In The Show After Mean Girls
Lindsay Lohan was ripe with success from her role as Cady Heron in the classic teen comedy, Mean Girls, when she first picked up a cameo in That '70s Show. Lohan plays Danielle, a love interest for Fez in the episode Mother's Little Helper during the That '70s Show's seventh season.
Lohan, at the time, was dating Wilder Valderama, who plays the character of Fez. Danielle is a client at the salon Fez works at as a shampoo boy. Fez quickly becomes interested in Danielle, but not without competition from Kelso. Danielle obviously chooses Fez in the long run.
7 Dylan And Cole Sprouse Tortute Kutcher's Character
Dylan and Cole Sprouse rose to fame for their roles in Disney's The Suite Life of Zack & Cody. However, one of their earliest roles together was a guest appearance in That '70s Show. Dylan had previously starred in Big Daddy with Adam Sandler, and Cole was a guest-star on Friends. The Sprouse twins play annoying twins Billy and Bobby Anderson in Eric's Depression during season 4. Billy and Bobby are an absolute terror to Kelso, and even make him walk 12 miles back home after losing him at an amusement park.
6 Bruce Willis Stars As Sleazy Vic In That '70s Show
Bruce Willis is an iconic action star, most known for his role as John McClane in Die Hard. Willis makes a guest appearance on Friends as Paul Stevens, father of Ross's college student girlfriend, before appearing on That '70s Show. Willis plays Vic in Misfire during the eighth and final season of That '70s Show.
Fans meet Vic when Kelso travels to Chicago to visit his daughter and winds up at the Playboy Club. Vic is a security chief and sleazeball who peeps on the Playboy bunnies in his spare time. Kelso decides that being a Playboy bouncer is his dream job, and lands an interview with Vic. Ashton Kutcher, who plays Kelso, married Bruce Willis' ex-wife (Demi Moore) around the same time as the cameo.
5 Jenna Fischer Plays Jackie's Role Model
Jenna Fischer rose to fame for her noteworthy role as Pam Beesley in the beloved sitcom The Office. However, before appearing on screen with her soulmate, Jim, she guest-starred as Stacy Wanamaker on That '70s Show.
Fischer appears in Don't Lie To Me during season seven. Stacy is a former classmate of the gang and is considered one of the hottest girls in school. Jackie quickly admires Stacy for her popularity and beauty, and Stacy becomes one of her role models.
4 Joseph Gordon-Levitt Makes An Early Cameo In The Show
Joseph Gordon Levitt became well-known for his role as Cameron James in the 1999 film 10 Things I Hate About You, after making a guest appearance on That '70s Show. Levitt stars as Eric Forman's rich lab partner, Buddy Morgan, in Eric's Buddy in season 7. Cameron quickly becomes best friends with Eric, but Jackie considers it illogical. Jackie believes people like Cameron don't hang out with people like Eric.
Cameron reveals he has a crush on Eric by kissing him in his sports car. Eric rejects Cameron, but they remain friends. Levitt's performance goes down in TV history as the first kiss between two males on primetime television.
3 Jessica Simpson Plays Kelso's Love Interest
Jessica Simpson became a well-known singer in the 1990s, before playing Kelso's love interest, Annette Berkardt, on That '70s Show. Annette is a recurring character during That '70s Show's fifth season, with her initial appearance in the season premiere Going To California. Annette shares an uncanny resemblance in personality with Kelso's former flame, Jackie.
When Annette visits Kelso in Point Place, Jackie becomes extremely jealous - especially when Kelso and Annette begin making out. Annette makes her last appearance in Babe I'm Gonna Leave You where Jackie and her become friends.
2 Rachel Bilson Stars In The Sixth Season Of That '70s Show
Rachel Bilson became well-known for her role as Summer Roberts in the teen show The O.C. around the same time as her guest appearance on That '70s Show. Bilson plays Christy in 5:15 during the season six.
5:15 features Donna being Mitch's date for his brother's wedding, much to Eric's disapproval. Eric and Mitch challenge each other to a fight when Mitch calls Donna his fiancée. On the other side of things, Fez acts like he is loaded to impress Christy at the wedding.
1 Alice Cooper Stars As Himself In Season Three
Alice Cooper has a music career that spans over 50 years, most notably during the 1970s, when That '70s Show is set. Cooper appears in season three's episode Radio Daze, and plays Dungeons & Dragons on-screen. Donna lands a job at the local radio station and becomes known as "hot Donna without a boyfriend."
Eric becomes jealous of the title and presumes Donna will leave him for famous rock stars. Alice Cooper is one of the musicians Eric believes Donna will choose over him. Obviously, she stays with Eric instead.