Strictly Come Dancing - Season 13 (2015)

All 15 couples perform for the first time for both judges scores and viewer votes. Jay and Aliona find themselves top of the shows leader board with a score of 31, with Iwan and Ola bottom with a score of just 13.

In the first results show of the new season there is a group pro dance and music from special guest Rod Stewart. Iwan and Ola, and Jamelia and Tristan find themselves in the bottom two, with Iwan and Ola the first couple to leave the competition.

In this week's Movie Special, there is a pro group dance, and the remaining 14 couples perform a movie themed dance. Carol and Pasha find themselves bottom of the judges leader board with a score of just 17 for their South Pacific themed Quick Step. Jay and Aliona are top with a score of 37 (the best score and first '10' of the season) for their Pulp Fiction themed Jive.

There is a movie themed group dance plus music from Andrea Bocelli. Anthony and Oti, and Ainsley and Natalie find themselves in the bottom two and perform again in the dance off, with Anthony and Oti the second couple to leave the competition.

The remaining 13 couples perform for judges scores and audience votes. Jeremy and Karen find themselves bottom of the judges leader board with a score of 20 for their Jive, with Katie and Anton top with 33 for their American Smooth.

There is an 80's themed group dance plus music from guest Will Young. Daniel and Kristina, and Kirsty and Brendan find themselves in the bottom two and perform again in the dance off, with Daniel and Kristina leaving the competition.

The remaining 12 couples perform for judges scores and viewer votes. Helen and Aljaz, and Kellie and Kevin find themselves joint top of the judges leader board with scores of 35, with Ainsley and Natalie bottom with a score of 18 for their Waltz.

There is a group pro dance to The Sun Has Got His Hat On, and music from guest Bryan Adams. Jamelia and Tristan, and Ainsley and Natalie find themselves in the bottom two and have to dance again, with Ainsley and Natalie the latest to leave the competition.

In a Halloween themed special there is a spooky group dance, and the remaining 11 couples perform for the judges. Georgia and Giovanni are top of the leader board with a score of 35 for their Ghostbusters themed Tango, with Carol and Pasha bottom with 13 for their Rumba.

In the Halloween Special results show there is a chess themed group pro dance plus music from James Morrison. Kirsty and Brendan, and Jamelia and Tristan find themselves in the bottom two and have to dance again, with Kirsty and Brendan becoming the latest couple to leave the competition.

At the midway point of the competition, the final 10 couples perform. Peter and Janette find themselves at the top of the judges leader board with 38 points (the highest of the season) for their Charleston. Carol and Pasha are again bottom with just 17 for their American Smooth.

There is a Remembrance Day special group Pro dance to In the Mood, plus music from Seal. In a shock, Kellie and Kevin (in his first ever dance off) find themselves in the bottom two, along with Carol and Pasha, with Carol and Pasha being voted out by the judges.

The final 9 pairs dance it out for a place in next week's Blackpool special. Georgia and Giovanni are top of the judges leader board with a score of 39 points (the current highest of the season) for their Chicago based Charleston, with Jeremy and Karen bottom with 21 for their Quickstep.

There is a group Pro dance to the music of Years & Years, plus music from other guest Brandon Flowers. Jamelia and Tristan again find themselves in the bottom two, along with Jeremy and Karen. Jeremy and Karen become the latest pair to be voted off the competition.

In this season's Blackpool special there is a full group dance, and the remaining 8 couples take to the Tower Ballroom floor. For the first time Peter and Janette find themselves bottom of the judges leader board with a score of 29 for their Jive, with Georgia and Giovanni again top, with 38 for their American Smooth. Anita and Gleb, and Kellie and Kevin also both score their first '10s' of the season.

In this week's results show from the Tower Ballroom, Blackpool, there is a group pro dance plus music from Anastacia and Take That. Jamelia and Tristan find themselves in the bottom two for the 5th time, along with Peter and Janette for their first. Both compete again in the dance off with Jamelia and Tristan controversially being voted off the show. For the first time this season the judges were split, with Len choosing to send Peter and Janette home.

The final 7 couples perform their main dance, plus a 'Quickstepathon' for judges votes. Helen and Aljaz get the best main dance score, with 39 for their Viennese Waltz (their first '10s' of the season). After the 'Quickstepathon' (which Helen and Aljaz won), they remain top of the leader board with a score of 46, with Peter and Janette bottom with a score of 32.

There is a laundrette themed pro group dance, plus music from guests Adam Lambert and Il Divo. Kellie and Kevin, and Peter and Janette find themselves in the bottom two and have to dance again, with Peter and Janette the latest to leave the competition.

In this Musicals Special there is a group pro dance to That's Entertainment, and each of the remaining 6 couples perform a musicals based dance. Anita and Gleb find themselves bottom of the judges leader board with a score of 31 for their Argentine Tango to Cell Block Tango from Chicago. Top are Jay and Aliona for their Rumba from the musical Once.

There is a group pro dance with the West End cast of The Lion King, and music from guest Josh Groban. In another shock, Helen and Aljaz, and Georgia and Giovanni find themselves in the bottom two and dance again, with Helen and Aljaz being voted out of the competition.

The final 5 couples perform two dances each for a chance to get through to the final. Kellie and Kevin receive the best judges score of the night (39 for their American Smooth), with Katie and Anton the lowest (just 25 for their Charleston). When both dance scores are added together, Kellie and Kevin are top of the leader board with 73/80, with Katie and Anton bottom with a combined score of 56/80.

There is a group pro dance plus music from special guest Kylie Minogue. Katie and Anton, and Anita and Gleb find themselves in the bottom two and dance again, with Anita and Gleb just falling short of the Grand Final, and leaving the competition.

In the first show of the 2015 Grand Final, there is a group dance with all 2015 pro dancers, contestants, and judges. The remaining 4 contestants perform both a judges choice and a show dance, with Kellie and Kevin receiving the first perfect '40' scores of the season for both. They are top of the judges leader board with a score of 80, with Katie and Anton bottom with just 62.

After the couple with the lowest viewer votes leave the competition (Katie and Anton), the remaining 3 couples dance one last time, performing their favourite dance of the season. Georgia and Giovanni receive their first perfect '40' for their Charleston. There is also a group dance with all the contestants and pro dancers of the season, plus music from guest Ellie Goulding. Top of the judges leader board after 3 dances are Kellie and Kevin with 119, with Jay and Aliona bottom with 110. Despite that, Jay and Aliona win the viewer votes to walk off with the Glitter Ball.

With Bruce Forsyth not recovered from his operation, this years Christmas Special is hosted by Tess and Claudia. Six couples, including former champions, compete for judges scores and studio audience votes to become Christmas Champion, with Harry and Joanne coming out on top. There is also music from special guests Shirley Bassey and Blake.