The real-life Janice and Gunther just answered all of your lingering 'Friends' questions: Watch

Oh... my.... God.

As "Friends" celebrates its 25th anniversary, In The Know caught up with two of the show's most beloved actors: Maggie Wheeler, who played Chandler's ridiculous on-and-off fling Janice, and James Michael Tyler, who played Central Perk staple Gunther.

The co-stars sat down for a game of "Fact or Fanfiction?" to address lingering fan questions about the show, which premiered in 1994, enjoyed a remarkable decade-long run and remains by far one of the most popular shows streaming online. (It's on Netflix now, but in 2020 it will move to WarnerMedia's new service.)

Wheeler and Tyler opened up on-screen romances, the theories that just won't die — and a little-known casting secret: Is it true that both Janice and Gunther were originally slated as just single-episode characters?

"For Janice, it was a one-shot deal, single episode," Wheeler confimed, while Tyler added that he was originally hired as an extra and didn't become an actual character for a full year and a half of production.

Watch in the video above.

19 PHOTOS
Jennifer Aniston and Courteney Cox together through the years
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Jennifer Aniston and Courteney Cox together through the years
MALIBU, CA - JUNE 02: Jennifer Aniston and Courteney Cox attend the CHANEL Dinner Celebrating Our Majestic Oceans, A Benefit For NRDC on June 2, 2018 in Malibu, California. (Photo by Rich Fury/Getty Images)
MUST SEE TV: AN ALL-STAR TRIBUTE TO JAMES BURROWS -- Pictured: (l-r) Matt LeBlanc, Lisa Kudrow, James Burrows, David Schwimmer, Jennifer Aniston, Courteney Cox -- (Photo by: Chris Haston/NBC/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - NOVEMBER 18: Actress Jennifer Aniston, designer Jennifer Meyer and actress Courteney Cox attend Barneys New York, Jennifer Aniston, and Tobey Maguire host a private dinner to celebrate The Barneys New York XO Jennifer Meyer Exclusive RTW Collaboration on November 18, 2015 in Los Angeles, California. (Photo by Stefanie Keenan/Getty Images for Barneys New York)
HOLLYWOOD, CA - APRIL 20: Actress Jennifer Aniston and director Courteney Cox attend the Los Angeles Special Screening of 'Just Before I Go' at ArcLight Hollywood on April 20, 2015 in Hollywood, California. (Photo by Angela Weiss/Getty Images for Darin Pfeiffer Consulting)
COUGAR TOWN - 'All Mixed Up' - Jennifer Aniston guest stars alongside Courteney Cox on the Season Two premiere of 'Cougar Town,' WEDNESDAY, SEPTEMBER 22 (9:31-10:00 p.m., ET) on ABC. Jules finds an instant connection with her new shrink, Glenn (Aniston), until she discovers the unfortunate but hilarious truth about her method of treatment; Ellie is jealous over Jules' fondness for Glenn; a bet between Laurie and Travis leads to a sweet sibling-like moment; and Bobby acts out his frustrations that Jules and Grayson are dating. (Photo by Karen Neal/ABC via Getty Images) COURTENEY COX, JENNIFER ANISTON
Actress Jennifer Aniston and honoree Courteney Cox Arquette attend the 2010 Crystal + Lucy Awards: A New Era at Hyatt Regency Century Plaza on June 1, 2010 in Century City, California.
CENTURY CITY, CA - JUNE 01: Honoree Courteney Cox Arquette and actress Jennifer Aniston arrive at the 2010 Crystal + Lucy Awards: A New Era at Hyatt Regency Century Plaza on June 1, 2010 in Century City, California. (Photo by Lester Cohen/WireImage)
LOS ANGELES, CA - OCTOBER 14: ***EXCLUSIVE*** Actresses Rita Wilson, Jennifer Aniston, Demi Moore, Courteney Cox and Kirsten Dunst arrive at the premiere of Glamour Reel Moments presented by Suave held at the Directors Guild of America on October 14, 2008 in Los Angeles, California. (Photo by Lester Cohen/WireImage)
(EXCLUSIVE, Premium Rates Apply) LOS ANGELES, CA - OCTOBER 14: Actresses Courteney Cox (L) and Jennifer Aniston arrive at the premiere of Glamour Reel Moments presented by Suave held at the Directors Guild of America on October 14, 2008 in Los Angeles, California. (Photo by Jeff Vespa/WireImage)
Jennifer Aniston and Courteney Cox-Arquette during 'The Tripper' Los Angeles Premiere - Red Carpet and Inside at Hollywood Forever Cemetary in Hollywood, California, United States. (Photo by Jeff Vespa/WireImage for BWR Public Relations)
Courteney Cox and Jennifer Aniston (Photo by Paul Redmond/WireImage)
Jennifer Aniston and Courteney Cox Arquette during AFI Honors Hollywood's Arquette Family With The Sixth Annual 'Platinum Circle Awards' - Green Room and Show in Los Angeles, California, United States. (Photo by J. Vespa/WireImage)
(EXCLUSIVE, Premium Rates Apply) Courteney Cox-Arquette and Jennifer Aniston *Exclusive* (Photo by Jeff Kravitz/FilmMagic)
BURBANK, CA - SEPTEMBER 12: (EXCLUSIVE, NO U.S. TABLOID SALES) Courteney Cox Arquette (L) and Jennifer Aniston smile on the set of the hit NBC series 'Friends' during one of their last shows on the Warner Bros lot Sept. 12, 2003 in Burbank, CA. 'Friends,' which is in its ninth and final season, debuted in 1994, has won 44 Emmys, and is one of the biggest successes in television history. (Photo by David Hume Kennerly/Getty Images) This image is not included in any subscription deal. Use of this image will incur a charge.
Jennifer Aniston, Brad Pitt & Courteney Cox (Photo by Steve Granitz Archive 1/WireImage)
Courteney Cox Arquette and Jennifer Aniston (Photo by KMazur/WireImage)
Courteney Cox Arquette, Jennifer Aniston and Lisa Kudrow (Photo by KMazur/WireImage)
Cast members of 'Friends' winner for Best Comedy Series at the 54th Annual Emmy Awards. L-R: David Schwimmer, Lisa Kudrow, Matthew Perry, Courteney Cox Arquette, Jennifer Aniston and Matt LeBlanc. (Photo by Jeffrey Mayer/WireImage)
Courteney Cox and Jennifer Aniston from NBC show 'Friends' (Photo by Kevin Mazur/WireImage)
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