Friends forever! The Saved by the Bell [1] gang reunited for The Tonight Show on Wednesday, making every '90s kid's dream come true, and including a ton of references to the original show [2]. Mark-Paul Gosselaar, Tiffani Thiessen, Mario Lopez, Elizabeth Berkley, and Dennis Haskins channeled their Bayside characters for the late-night show, posting pictures together backstage. Mario captioned one photo, "My boy Mark-Paul and I picking up where we left off," while Elizabeth gave a nod to Jessie Spano with the hashtag #imsoexcited. Fellow cast members Dustin Diamond and Lark Voorhies were absent, and Lark's publicist told E! News [3], "Lark would have loved to be part of the Jimmy Fallon [4] skit (as she is a big fan of the show), however due to an intense work schedule she was not available." Check out the full reunion video below, and then take a look at all the pictures of Zack, Kelly, AC Slater, Jessie, and Mr. Belding back together "#25yearslater!"

"#zackandkelly together with @jimmyfallon on @fallontonight @mpg #reunion #25yearslater #sbtb"

"Warming up before the show with my girl @elizberkley
#MamaForever #ImSoExcited"

"This happened."

"My boy Mark-Paul & I picking up where we left off... #Bayside #TwentyFiveYearsLater #Reunion"

"Whoa... These pics are 25 yrs apart. Damn, I feel old #OldScoolACSlater #SBTB #AggressiveMullet"

"Me and @mpg post #surprise on @fallontonight!! #history #friendsforever"

"Tune in tonight for a very special episode of Saved by The Tonight Show! :-) @mariolopezextra @jimmyfallon @mikedicenzo @fallentonight #BellReunion #FansWin #Veryspecialnight"

"Yeah, this happened... Tonight on @jimmyfallon
#BackToSchool #TwentyFiveYearsLater"

"Mirror mirror... Tonight on @jimmyfallon "