Nicole is determined to break the rules and revamp her lifestyle; Brie faces the emotional challenge of leaving Birdie for the first time to go on the road with Bryan for their new WWE storyline.

The Bellas start their huge comeback at SummerSlam ringside with Ronda Rousey in New York; Brie goes behind Bryan's back and meets with a plastic surgeon; newly single Nicole is surprised to find that a family dinner turns out to be a blind date.

Nicole goes behind Brie's back to rekindle her chemistry with her "Dancing With the Stars" partner, Artem; Brie is upset that Nicole is training with Ronda Rousey without her and Bryan; Brie makes two major mistakes.

The Bellas overload their schedule the week of their first Birdiebee fashion show, and an overwhelmed Brie cancels on an appearance the day before, leaving Nicole frustrated.

The twins have to face the fact that they are in two different places in their lives, with Nicole's new single lifestyle and wanting to start fresh in Los Angeles, and Brie and Bryan trying for a second baby.

Brie becomes overwhelmed by the backlash she receives on social media since accidentally injuring Liv Morgan in the ring; Nicole agrees to go on a date with Peter Kraus.

Nicole and Ronda Rousey's publicized in-ring feud sparks a fire in Nicole that she's never felt before; Brie drops a bombshell on her family.

The first-ever Women's Pay-Per-View, Evolution; the Bellas take New York by storm; Nicole is determined to show the world what she is made of in her match against Ronda Rousey.

Nicole reaches an all-time high in her career when she's asked to be the Main Event at the first-ever women's pay-per-view, Evolution. Brie is shocked to find out that she will be by Nicole's side as just her valet, which makes her wonder if the world is telling her to hang up her boots once and for all. Meanwhile, Bryan struggles to balance his life on the road as a WWE Superstar with his passion in setting an eco-friendly example for their daughter, and is ready to make some tough decisions.

This was a year of change for the Bella Twins, and in true Bella fashion they head to Napa Valley to reflect before they move apart and continue on their separate journeys for once in their lives. While Brie is ready for a calmer life with hopes of another baby, Nicole, done playing it safe, finally spreads her wings into the arms of a new love interest.