Follows the most obsessive and inseparable sibling relationships. Some sister bonds are closer than others, but these siblings take their obsession to the extreme.
Twins Anna and Lucy choose to live their lives identically in every way possible. Baylee and Brooke’s sleeping arrangement is hampering Brooke’s marriage.
Anna and Lucy want to move forward in their relationship with their shared boyfriend, Ben. Jessica is upset when her sister starts dating a new guy.
Christina reveals a big secret to her sister. Plus, Brittany and Briana struggle to separate from each other on solo dates with their husbands.
Jessica hits rock bottom with her sister, Christina. Anna and Lucy get some bad news. Ron finds Patrix a date.
Anna and Lucy commit to getting pregnant naturally. Brooke inserts herself into Baylee's relationship. Patrix goes on a date with her sister's help.
Anna and Lucy visit their older sister. Baylee decides she's Brooke's birth coach. Patrica gives Patrix some tough love.
Brooke goes into labour, and Baylee struggles with not being in the hospital room. Christina and Jessica tell John about their psychic powers.
Patrix has a surprising announcement. Anna and Lucy learn Ben's true feelings. Briana and Brittany parent their quaternary twins.
