The 740th episode of Doctor Who (the 42nd since the series’ revival) airs on BBC1. This Christmas-themed episode guest stars pop star Kylie Minogue and Russell Tovey (Being Human), with a blink-and-you’ll-miss-it cameo by Bernard Cribbins in his first appearance as Wilfred Mott (later revealed to be Donna Noble’s grandfather). At over 70 minutes, this is the longest Doctor Who special since the revival of the series. 
The 741st episode of Doctor Who (the 43rd since the series’ revival) airs on BBC1. Kicking off the fourth season of the revived series, this episode brings back Catherine Tate’s character from The Runaway Bride (2006’s Christmas special episode) as the Doctor’s new companion. The season’s running theme – the return of Rose – is also introduced in this episode with a cameo appearance by Billie Piper, though fan sites have already reported her presence at location filming.
The 742nd episode of Doctor Who (the 44th since the series’ revival) airs on BBC1. Peter Capaldi and Tracey Childs guest star, and future series star Karen Gillan makes an appearance (though not in the later role of Amy Pond).
The 743rd episode of Doctor Who (the 45th since the series’ revival) airs on BBC1. Tim McInnery (Blackadder) guest stars.
The 744th episode of Doctor Who (the 46th since the series’ revival) airs on BBC1. Freema Agyeman, Bernard Cribbins and Christopher Ryan (The Young Ones) guest star in the first appearance of the Sontarans in Doctor Who since 1985. This is the first half of a two-part story.
The 745th episode of Doctor Who (the 47th since the series’ revival) airs on BBC1. Freema Agyeman, Bernard Cribbins and Christopher Ryan (The Young Ones) guest star in the first appearance of the Sontarans in Doctor Who since 1985. This is the second half of a two-part story.
The 746th episode of Doctor Who (the 48th since the series’ revival) airs on BBC1. Guest star Georgia Moffett really is the Doctor’s daughter (namely, the daughter of former series star Peter Davison).
The 747th episode of Doctor Who (the 49th since the series’ revival) airs on BBC1. Felicity Kendall guest stars.
The 748th episode of Doctor Who (the 50th since the series’ revival) airs on BBC1. Alex Kingston guest stars as River Song, the character’s first appearance in the series (and her last adventure chronologically). This is the first part of a two-part story.
The 749th episode of Doctor Who (the 51st since the series’ revival) airs on BBC1. Alex Kingston guest stars as River Song, the character’s first appearance in the series (and her last adventure chronologically). This is the second part of a two-part story.
The 750th episode of Doctor Who (the 52nd since the series’ revival) airs on BBC1. David Troughton and Lesley Sharp guest star.
The 751st episode of Doctor Who (the 53rd since the series’ revival) airs on BBC1. Billie Piper and Bernard Cribbins guest star.
The 752nd episode of Doctor Who (the 54th since the series’ revival) airs on BBC1. Billie Piper and Bernard Cribbins guest star. This episode brings back Dalek creator Davros for his first appearance in the series since 1988, and is the first half of a two-part season finale.
The 753rd episode of Doctor Who (the 55th since the series’ revival) airs on BBC1. Billie Piper, Elisabeth Sladen, Bernard Cribbins and Noel Clarke guest star. This episode brings back Dalek creator Davros for his first appearance in the series since 1988, and is the conclusion of the two-part season finale.
The 754th episode of Doctor Who (the 56th since the series’ revival) airs on BBC1. David Morrisey (David Tennant’s former co-star on Blackpool) guest stars as a man who claims to be another incarnation of the Time Lord, sparking speculation that Morrisey may also be Tennant’s sucessor in the role of the Time Lord.
The 755th episode of Doctor Who (the 57th since the series’ revival) airs on BBC1. Michelle Ryan (The Bionic Woman) and Lee Evans guest star.
The 756th episode of Doctor Who (the 58th since the series’ revival) airs on BBC1. Lindsey Duncan guest stars in a special episode that goes on to win a Hugo Award (the first Doctor Who Hugo awarded to someone other than incoming showrunner Steven Moffat).
The 757th episode of Doctor Who (the 59th since the series’ revival) airs on BBC1. This is the first part of the final story of David Tennant’s era, with an unusually grim storyline for its Christmas Day airdate. Bernard Cribbins, John Simm (Life On Mars) and Timothy Dalton guest star.
The 758th episode of Doctor Who (the 60th since the series’ revival) airs on BBC1. This is the second part of the final story of David Tennant’s era, with an unusually grim storyline for its holiday airdate. Bernard Cribbins, John Simm (Life On Mars) and Timothy Dalton guest star. This also marks the end of Russell T. Davies’ tenure as showrunner, though he continues to work on the Torchwood and Sarah Jane Adventures spinoffs.