Series 1 |
| 1 :01x01 - Episode 1 (May/13/2007) | | Gavin and Stacey have been talking on the phone for several months whilst they are at work but they have yet to ever meet in person. They arrange to meet up for the first time in London. | | Writers: James Corden, Ruth Jones | |
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| 2 :01x02 - Episode 2 (May/13/2007) | | After arguing with Gavin on the telephone Stacey believes that he doesn't want to know her anymore. After Gavin drives to Wales to try and sort things out he ends up taking Stacey home. | | Writers: James Corden, Ruth Jones | |
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| 5 :01x05 - Episode 5 (Jun/03/2007) | | Stacey and Gavin both get ready for their respective hen and stag nights. Gavin ends up having two stag nights and during the second one he learns something about Stacey which could put the impending marriage in doubt. | | Writers: James Corden, Ruth Jones | |
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Series 2 |
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| 8 :02x02 - Episode 202 (Mar/16/2008) | | When Smithy learns that he is the father of the child that Nessa is expecting he leaves town. | |
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| 9 :02x03 - Episode 203 (Mar/23/2008) | | Stacey finds Essex life not as exciting as she was expecting. Stacey's mod improved when she gets the chance to go to Barry at the weekend. Nessa and Smithy see the first scan of the baby. | | Guest Stars: Margaret John as Doris | |
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| 10 :02x04 - Episode 204 (Mar/30/2008) | | Nessa's hidden talent for bowling is revealed. Mick finds himself becoming a minor celebrity. | |
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| 11 :02x05 - Episode 205 (Apr/06/2008) | | Bryn arranges a special surprise from Gwen's birthday. Stacey tells Gavin a major decision that she has made. | | Guest Stars: Margaret John as Doris | |
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| 13 :02x07 - Episode 207 (Apr/20/2008) | | Stacey returns back home to Essex in an attempt to try and sort things out with Gavin. Nessa goes in to labour and the young couple race to find Smithy and get to the hospital. | |
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| Christmas Special (Dec/24/2008) | | The West and Shipman families enjoy Christmas together in Essex. Gavin and Stacey make an important announcement that they are moving to Wales which causes friction. Smithy feels pushed out of his son's life and feels even worse after Vanessa becomes engaged. After talking to Gavin, Smithy tries to convince Vanessa not to get married. | |
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Series 3 |
| 16 :03x01 - Series 3, Episode 1 (Nov/26/2009) | | Stacey is happy to be living back in Barry as Gavin starts his new job in Cardiff. Smithy tries to adjust life without Gavin back in Essex. Everyone is reunited when the baby is christened. | |
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| 17 :03x02 - Series 3, Episode 2 (Dec/03/2009) | | Stacey makes sure that Gavin stick to the promise he made her as she looks for a new job. When Vanessa makes plans to take the baby to see Smithy in Essex, Dave isn't happy. | |
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| 18 :03x03 - Series 3, Episode 3 (Dec/10/2009) | | Pam and Mick talk about their new conservatory. Brn looking forward to everyone staying over at his place when a night out in Cardiff is organised for the boys. Smithy is worried about seeing Nessa again after what happened last time. Stacey isn't sure whether she tell Gavin after making a worrying discovery. | |
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| 19 :03x04 - Series 3, Episode 4 (Dec/17/2009) | | Gavin isn't happy with his in laws knowing everything about his and Stacey's sex life. Pete and Dawn get ready to renew their wedding vows in Billercay and everyone heads off to be there. | |
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| 20 :03x05 - Series 3, Episode 5 (Dec/25/2009) | | Those in Essex decide to head for the beach and enjoy their Bank Holiday Monday. Gavin has a heart to heart with his father. Nessa and Smithy are caught be Dave enjoying a good time together. | |
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| 21 :03x06 - Series 3, Episode 6 (Jan/01/2010) | | Nessa and Dave's wedding day approaches.Gavin hears some life changing news from his wife.Bryn and Jason finally deal with their secret. Smithy wishes Nessa all the best as she prepares to get married. | |
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