S4, EP14 "Mr. and Mrs. and Mrs. ... and Mrs."
After their trip to Brazil to visit sister wife-to-be Roberta, the Merrifields eagerly prepare for her arrival; the Davises hope everything goes according to plan as they put together a commitment ceremony to celebrate their union with Danielle.
S4, EP13 "No Kiss Friends"
The Merrifields have a problem when Roberta learns the truth about Garrick and Lea; the Epps talk pros and cons of Bina and Janae; the Foleys discuss asking April to move in; the Jones kids meet Arielle; Danielle defends her devotion to the Davises.
S4, EP12 "An Emotional Rollercoaster"
The Merrifields book Bert's ticket to the U.S.; Marcus' wives fume when he fails to come home from his date with Janae; the Foleys' son meets April and is shocked to learn her age; the Davises propose to Danielle, but she may not be ready.
S4, EP11 "Brazil or Bust"
Merrifields worry that Roberta's mom may not approve of her coming to the U.S.; Marcus finds out if his wives convinced Janae or scared her away; the Davises' demands stun their realtor; Sidian must decide whether to propose or risk losing Arielle.
S4, EP10 "So Many Things Could Go Wrong"
The Merrifields visit Brazil to figure out Roberta's delay in coming to the U.S.; the Davises expand their family unexpectedly; the Foleys strengthen their bond with April; Sidan contemplates the next steps with Arielle.
S4, EP9 "You Want All the Juicy Details?"
Dannielle feels Garrick and Roberta should not try for a baby until she's in Colorado; Sidian courts Arielle as Tosha's mom questions the lifestyle; the Davises get serious about Danielle joining their family; Marcus pursues Janae.
S4, EP8 "I'm in Love With Your Big Brain"
Brenda meets with April to help improve their communication; the Davises end their staycation with some worries; Dannielle's family share their concerns about Roberta coming to the U.S.; Marcus Epps prepares for a date with a potential sister wife.
S4, EP7 "Roses Are Red, but Not on the Bed"
The Merrifields move into a new house as doubt looms about Roberta; the Epps are divided on sex and dating; Sidian worries if Arielle is the one to join their family; Danielle is taken aback when she learns what is needed of her to join the Davises.
S4, EP6 "A Distant Dream"
Steve's daughter slams the Foleys for their plural lifestyle; Sidian meets Arielle for the first time; the Merrifields focus on getting wife-to-be Roberta to the U.S.; the Davises learn about Danielle's past relationships.
S4, EP5 "Do You Have Condoms?"
The Davises take Danielle on a weekend trip to see how she gels with the group; The Foleys tell Steve's kids about April; Sidian Jones visits Arielle in the Philippines; India Epps faces criticism about her lifestyle on her birthday.
S4, EP4 "Three's a Crowd"
India is unsure about Bina and puts limitations on Marcus; Brenda feels like a third wheel; Sidian leaves for the Philippines; The Merrifields' visit with Lea ends with more questions than answers.
S4, EP3 "Can't Clip These Wings"
The Epps are dating, but not everyone is on the same page; the Merrifields bond with Lea, but red flags leave them questioning things; the Joneses have a potential sister wife; Nick Davis brings home a surprise.
S4, EP2 "Little Do They Know"
The Merrifields court Lea despite Roberta's disapproval; the Epps eye a longtime friend as a possible wife; the Foleys hope to bring potential wife April into their family; Nick takes Danielle on a solo date to see where she stands with polygamy.
S4, EP1 "Who Doesn't Like Thirds?"
The Davises and the Foleys each navigate their way through the many trials and tribulations of polygamy with the ultimate goal of bringing in a new sister wife; the Merrifields haven't seen Roberta in over a year and have decided to seek a third.