114: The number of episodes the show will air over its five-season run, with the final episode following a special one-hour retrospective on Monday, May 13th. MANHATTAN BEACH, CA - SEPTEMBER 27: (L-R) Actors Trevor Donovan, AnnaLynne McCord, Shenae Grimes, Tristan Wilds, Jessica Stroup, Jessica Lowndes, Michael Steger and Matt Lanter pose at the 100th episode celebration of The CW's '90210' at Manhattan Beach Studios on September 27, 2012 in Manhattan Beach, California. (Photo by Kevin Winter/Getty Images)
9: The number of guest musical performances this season alone, including Taio Cruz, Tegan & Sara, and Fall Out Boy’s appearance in the show’s penultimate episode.
90210 -- "902-100" -- Image: NO508a_0324 -- Pictured: -- Musical Guest, Taio Cruz as himself -- Photo: Scott Humbert/The CW -- ©2012 The CW Network. All Rights Reserved
405,178: The number of followers Matt Lanter, who plays Liam, has on Twitter, the most of any “90210” star. LOS ANGELES, CA - APRIL 30: Actor Matt Lanter attends BAFTA Los Angeles and Sir Philip Green Celebrate the British New Wave at Topshop Topman at The Grove on April 30, 2013 in Los Angeles, California. (Photo by Charley Gallay/Getty Images for BAFTA LA)
15: The number of episodes guest starring Arielle Kebbel, who will host the new summer reality series “Perfect Score,” premiering July 16th on the CW! NEW YORK, NY - APRIL 23: Actress Arielle Kebbel of the film 'Supporting Characters' visits the Tribeca Film Festival 2012 portrait studio at the Cadillac Tribeca Press Lounge on April 23, 2012 in New York City. (Photo by Larry Busacca/Getty Images)
3: The number of surprising returns from Annie’s former flames this season, including Chis Zylka as Jason, her ex-boyfriend from Kansas, as well as season-one love interest Ty and her creepy ex Jasper.
90210 -- "We’re Not Not In Kansas Anymore" -- Image: NO511a_0307 – Pictured (L-R): Matt Lanter as Liam, Shenae Grimes as Annie, and Chris Zylka as Jason -- Photo: Scott Humbert/The CW -- ©2012 The CW Network. All Rights Reserved
4,737,242: The number of likes on the hit CW series’ Facebook fan page. Cast of 90210 (credit: The CW)
7: The number of series regulars featured in the show’s fifth and final season. LOS ANGELES, CA - MARCH 03: (L-R) Actors Michael Steger, AnnaLynne McCord, Shenae Grimes, Tristan Wilds, Jessica Stroup, Jessica Lowndes and Matt Lanter pose at the CW Network's '90210' Season 5 Wrap Party on March 3, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
5: The number of former “Beverly Hills, 90210” actors who have appeared on the reboot, including Jennie Garth and Shannen Doherty. LOS ANGELES, CA - JANUARY 07: ***EXCLUSIVE*** Actresses Jennie Garth (L) and AnnaLynne McCord pose backstage during the 35th Annual People's Choice Awards held at the Shrine Auditorium on January 7, 2009 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for PCA)
90210: Of course, we couldn’t leave out the famous zip code in which the series takes place! LOS ANGELES, CA - MARCH 03: The cast and crews cake is shown at the CW Network's '90210' Season 5 Wrap Party on March 3, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)