Farrah returns to find out once and for all if she is truly over her Ex. The truth is revealed when a lie detector test forces the house to take an honest look at their relationships.
The Challenge's Nicole Zanatta and Ex On The Beach's Derrick Henry each choose their celeb look-alike, and Are You The One? star Kam Williams gets to know her remaining Rocks.
With the power of the Relic in hand, Bear sets his sights on Paulie, Jenna resolves her longtime rivalry with Amanda, and the Killing Floor proves to be an uphill battle.
Juliette finds out about Alex's houseguest, Pauly faces the consequences of his arrest, Garrett questions his future with Cara, and Jared sets his sights on Madisson.
A night out threatens Billy's future with Sara, and Mike crosses the line when he tries to accommodate Lohan Beach House guests Nathan and Sophie from Geordie Shore.
Barbara is frustrated when Jace's dad doesn't show up when she flies out to meet him, Kailyn gets mixed signals from Lux's dad Chris, and Devoin joins Briana on a family trip.
The house is shook when an ex is sent home without warning, Angela finally comes clean about her past with Tor'i, and Chad campaigns for Maddie's eviction.
Nicole Zanatta's sister forces her to rethink everything, Derrick Henry holds nothing back in hopes of finding his final three, and Queen Kam searches for her king.
Wes concocts a plan to drive a wedge into the Brits' alliance, Leroy's jealousy rages when Kam flirts with Theo, and the Killing Floor takes two more victims.
Juliette feels conflicted about her future, Tawni tells Madisson about her conversations with Ben, Pauly's legal woes escalate, and Alex reunites with a familiar face.
Lindsay tries to boost morale by sending everyone out on a yacht for the day, Brent has a meltdown after Sara gets close to Billy, and Panos drops a bomb on the VIP hosts.
Jenelle considers introducing Jace to his dad, Chelsea leaves Layne and Watson alone with Cole for the first time to spend time with Aubree, and Kailyn butts heads with Javi.
Black Squad captain Tory Lanez takes the Wild 'N Out stage to face off against Nick and his Red Squad and perform his song "TAlk tO Me."
Black Ink Crew's Sky captains the Black Squad and battles Nick and the Red Squad in Got Damned, Let Me Holla, Talking Spit and Wildstyle, and Doja Cat performs.
Teen Mom's Kailyn Lowry chooses a Quavo, The Challenge's Nicole Zanatta takes her Ciara look-alikes dancing, and Ex On The Beach's Derrick Henry meets his Gigi Hadid clones.