Time for two high school reunions! Glee's Amber Riley, Harry Shum Jr., and Becca Tobin battle former co-stars Kevin McHale, Jenna Ushkowitz and Heather Morris. Then American Pie's Jason Biggs and Eddie Kaye Thomas serve up slices of lyrical hurt.

Let's get ready to rumble in a WWE double-header! Wrestling superstars Rusev and Lana hunt shark Mark Cuban to see who's the baddest beast. Then tag team champs The New Day jump in the ring with iconic soul singers SWV in a no holds barred grudge match.

Straight Outta Compton's Jason Mitchell channels Eazy-E against American Horror Story's chilling Adina Porter. Then 90's TV teens are grown up as Married With Children's David Faustino and Blossom's Joey Lawrence duke it out with bars.

Drop The Mic leaves Universal Orlando Resort with a bang! Jack and Kelly Osbourne take sibling rivalry to the next level in a family feud rap battle. Then Spice Girl Mel B spars with La La Anthony when there's only room for one diva on stage.

The Vampire Diaries star Kat Graham takes a bite out of Shameik Moore. Can this Spider-Man fight back? Then it's a standup standoff when two comedy giants, Nikki Glaser and Brad Williams, start throwing punch lines.

Kermit and Pepe go up against Miss Piggy and Beaker in the greatest (and only) Muppet rap battle of all time. Then three of LOST's castaways, Daniel Dae Kim, Josh Holloway, and Harold Perrineau, have a not-so-friendly mainland reunion.

Drop The Mic returns! First a fight between SNL alums when TV veteran Taran Killam battles Marine veteran Rob Riggle. Then an LGBTQ icon and activist collide as Culture Club's Boy George faces off with Orange Is The New Black's Laverne Cox.

Actor Luis Guzman competes against funnyman Gabriel "Fluffy" Iglesias in a no holds barred death match. And it's a duel of the pop stars when Charli XCX and Tove Lo jeopardize their friendship for our main event.

WWE Superstars Nikki & Brie Bella, Alicia Fox & Carmella face the stars of GLOW Kate Nash, Jackie Tohn, Britney Young & Sunita Mani. While the Ayatollah of Rock 'n' Rolla, Chris Jericho, has his hands full with an undefeated, Laila Ali.

Michael K. Williams battles Trevor Jackson; James Corden puts his losing streak on the line against a man whose name is synonymous with rap battles: Dr. Phil.

The loveable brothers of Hanson enter the savage battlegrounds to face Sam Richardson ("Veep"). And it's a duel of Shaggys when Matthew Lillard ("Scooby-Doo") is the underdog when paired against musician Shaggy.

Taye Diggs and Karrueche Tran will spill all the tea when they go head-to-head on this episode. And Sugar Ray's Mark McGrath tries to catch Full House's Jodie Sweetin slipping, but may just be shocked at the talent she's been hiding.

Darren Criss faces Stranger Things star Gaten Matarazzo in a stinging rap battle, while we try and find redemption when two former Walking Dead stars, Chandler Riggs & Chad L. Coleman, rise from the ashes to lyrically spar.

Marlon Wayans battles Jay Pharoah in a war that cannot be erased; an All-American showdown between Lindsey Vonn and Gus Kenworthy will leave only one rapper on the slopes.

Two pals put their friendship on the line when Seth Rogen and Joseph Gordon-Levitt take it too far in a rap battle. And funnyman Terry Crews squares up on the Internet's most watched musician, Despacito's Luis Fonsi.

Can pop sensation Shawn Mendes stop the forward progress of football star Odell Beckham Jr. when it comes to lyrical warfare? And when Pretty in Pink co-stars Molly Ringwald and Jon Cryer spit Brat Pack bars, who will reign supreme?

A David and Goliath match as Shaquille O' Neal trades barbs with comic Ken Jeong; seeing which talk show host can really work the mic when Ricki Lake goes head-to-head with Jerry Springer.