Baylen and Colin are enjoying being fiancés but are dragging their feet on wedding planning. Baylen questions Allen about an unresolved issue. A reluctant Baylen makes a cake for Colin's birthday. Her parents spring a surprising request on them.

Sammi's planned surprises lead to Baylen and Julie making some permanent decisions and spending an evening at a funeral home. Baylen reveals a worrisome medical concern. Then, strong opinions during wedding planning put the sisters at odds again.

Baylen and Colin are excited to live together but they need an approval from Colin's very conservative parents first. Allen, still uneasy about their decision, talks man to man with Colin. Baylen tries Botox to help with her tics. Colin drops a life changing bomb.

During counseling, the therapist throws a wrench in Colin's plan to confront Allen. Baylen and Colin fall in love with a wedding venue, but when they see the Dupree backyard transformed for the engagement party, they second guess everything. A surprise from Allen brings Baylen to tears.

Baylen hosts a sleepover for her brother, Bechnir, while Allen and Julie seize the rare chance to have a date night. Bechnir confides in Baylen about his severe anxiety and a major wedding venue debate forces Allen to confront the painful history behind his fierce protectiveness.

After surprising Baylen with a wedding day change, the couple goes to their menu tasting where Colin drops another bombshell that could impact their future together. Meanwhile, Julie worries the mounting pressure on Sammi to pull off the perfect celebration could further strain her already fragile relationship with Baylen.

Colin's surprising admission to Baylen throws a wrench in the wedding vision. Sammi and Burke don't hold back in sharing their opinions with Baylen while Allen concocts a master plan that he hopes Baylen will be on board with for her big day.

Baylen travels to Texas for a Tourette convention, but her tics threaten to overpower her big moment. After connecting with new friends and a doctor who suggests a radical treatment, it all proves too much for Baylen when she suffers a severe tic attack.

After dealing with escalating tics throughout London, Baylen finally gets to try a device that could help reduce her tics and possibly change her life forever. Baylen and Colin reconsider their future plans, leaving Allen and Julie stunned...

When Sammi fails to show up to their joint Bach weekend, Baylen has an honest conversation with Sammi about her role; after Julie raises concerns about how remote the venue is, Baylen proposes a plan that might put the entire wedding day in jeopardy.

With less than seven months to their big day, Baylen and Colin are still struggling to make major wedding decisions; Baylen and maid of honor Sammi are at odds over the planning of Baylen and Colin's joint bachelor and bachelorette weekend.

Baylen and Colin's plan to set boundaries turns upside down when Allen pressures Colin to have a back-up plan for his new real estate career. Baylen confronts her fear of horses through intense ERP therapy. And the couples gets a harsh reality check at their first meeting with their wedding planner.

Baylen and Colin's wedding announcement sends everyone into planning overdrive. With even less time to wedding plan, and with the help of her mom and grandmothers, Baylen heads to Florida to find her perfect wedding dress. Allen receives major news that could uproot the entire family.

The Dupree's arrive in London! And they must quickly navigate the culture shock. On a double-decker tour bus, Baylen becomes overstimulated, and her tics escalate, causing her a lot of distress. The Dupree's are excited to try English cuisine but when Baylen becomes the focus in a small pub, they worry how much more she can handle.

Baylen's holiday tics are in full swing as Baylen and Colin embrace the holiday spirit by taking Christmas photos with Santa and the dogs. Allen plans a heartfelt surprise for his and Julie's 25th anniversary. Baylen and Colin reveal a major wedding decision that could dramatically change their timeline.

After an eventful apartment hunting adventure, Baylen and Colin move in together, but outside forces bring everything to a halt. At Baylen's birthday party, tension is in the air as Colin's birthday surprise royally backfires, leaving Baylen wondering if they're on the same page.

Baylen learns what Colin's work relocation could mean for their relationship. Baylen is invited to be a guest panelist at a Tourette's Convention in Dallas but airports and flying can be a recipe for disaster.

Baylen has an unexpected reaction to the first wedding venue she and Colin tour. Baylen meets with her CBIT therapist to discuss goals for her wedding day. At their first pre-marital counseling session, Colin reveals he's been keeping a secret.