Nessa and Dave's wedding approaches; Stacy breaks some life-changing news to Gavin.
Gavin's family comes to Wales for a holiday.
It's Bank Holiday Monday and the Essex contingent arrive for a sunny day out at the beach; Gavin's heart-to-heart with his dad gives him something more to think about.
Gavin is uncomfortable with Gwen and Bryn's knowledge of his sex life; Pete and Dawn prepare to renew their vows.
Pam and Mick are having second thoughts about the conservatory; Bryn awaits the arrival of his houseguests; Stacey makes a disturbing discovery.
Stacey is trying for a new job while ensuring that Gavin sticks to his recent promise; Dave is not happy when Nessa tells him she is taking the baby to Essex to see his father.
Stacey is thrilled to be at home again; Smithy misses Gavin.
As series two of Ruth Jones and James Corden's award-winning comedy draws to its conclusion, Stacey returns to Essex to salvage her marriage. Meanwhile, Nessa goes into labour a month early in Barry, and the newlyweds must forget their differences to track down Smithy in time for the birth of his child.
Stacey travels to England and back to Gavin; Pamela and Mick offer to cover the deposit on a house; Neesa goes into labor.
Gavin is in Essex without his wife; Stacey is in Barry without her husband; so while Smithy plans a boys' night out, Stacey goes to play bingo.
The newlyweds find themselves leading separate lives back in their home towns. In Essex, Smithy makes efforts to remind Gavin of the excitement of his bachelor years with a traditional boys' night out. Meanwhile in Barry, Stacey attempts to distract herself with a trip to the bingo.
Bryn is thrown off when a surprise guest show up at Gwen's birthday party; Stacey continues to struggle with homesickness.
It's Gwen's birthday and Bryn has arranged a special treat, but things take a surprising turn when an uninvited guest turns up and Stacey tells Gavin of her big decision.
Mick becomes a minor celebrity for the night; Stacey and Gavin start house-hunting; Nessa visits Stacey and shows the others a thing or two at the bowling alley.
House-hunting doesn't go as well as Stacey and Gavin had hoped; the newlyweds join Smithy and Nessa for a night of bowling.
Stacey is getting used to being an Essex wife, but it's not as exciting as she'd hoped, however, she bucks up at the weekend, when it's time for a home visit to Barry.
Tired of lying around the house all day, Stacey tries to find a job to fill her time; Smithy and Nessa prepare for their first sonogram.
Smithy runs away after finding out he's going to be a dad.
Smithy goes missing following Nessa's shocking revelation, and the boys attempt to track him down to persuade him to accept his responsibilities. Meanwhile, Stacey is forced to contemplate the consequences of transforming her long-distance relationship with Gavin into a functioning marriage
Gavin and Stacey return from their honeymoon; Smithy discovers he has bigger things than the tension between him and Gavin when Nessa makes her big announcement.
It's Gavin and Stacey's big day and after the ceremony everyone hits the open bar at the reception; Nessa considers coming clean to Smithy about her pregnancy.
Gavin and Stacey's wedding day arrives.
The bride-to-be goes on a hen party, while Gavin embarks on two stag nights, the second of which reveals shocking secrets about his fiancee that could jeopardise the wedding. Elsewhere, the early return of Stacey's brother Jason horrifies Uncle Bryn. Mathew Horne and Joanna Page star.
The Shipmans drive down to Wales for the wedding fayre, and after a momentous trip to the church for the reading of the banns, Nessa tells Stacey her big secret. Comedy, starring Mathew Horne and Joanna Page
After a trip to church to hear the marriage announcement read, Nessa tells Stacey her secret.
Gavin and Stacey's families get together for dinner to discuss wedding plans as Stacey tries to keep a secret from her past hidden.
Uncle Bryn agrees to drive everyone to meet the Shipmans; Gavin and Stacey make an announcement.
Gavin must get through Stacey's family before declaring his love for her; Stacey spends the night at Gavin's house and gets to know his family and friends.
Stacey thinks Gavin has stood her up, until he shows up and wants to take her back to Essex.
Comedy about the romance between a twentysomething couple with differing cultures and backgrounds, their friends and their families. Their friends and family also come under the spotlight, including Gavin's occasionally volatile mother Pam and the pair's best pals Nessa and Smithy, who get along swimmingly - but only when they're drunk. Mathew Horne and Joanna Page star alongside Rob Brydon, Alison Steadman, Ruth Jones and James Corden.
Gavin and Stacey have been talking on the phone at work for months but they've never actually met. Until now.