"The Impossible Astronaut" is the first episode of the sixth series of the British science fiction television series "Doctor Who".
 Written by show runner Steven Moffat, and directed by Toby Haynes, the episode was first broadcast on 23 April 2011 in the United Kingdom, as well as the United States and Canada.
 It also aired in Australia on 30 April 2011.
 The episode features alien time traveller the Doctor (Matt Smith) and his companions Amy Pond (Karen Gillan) and Rory Williams (Arthur Darvill), and is the first of a two-part story, which concluded with "Day of the Moon".
Been So Long is a soul/funk musical with music and lyrics by Arthur Darvill and book by Ché Walker.
 The musical is based on the 1998 play of the same name.
The Frontline is a 2008 play by the British dramatist Ché Walker, with music by Arthur Darvill.
 It was written whilst he was appearing at Shakespeare's Globe in a production of "Othello".
 Walker lives in Camden in London and the play deals with street life outside Camden Town tube station.
The Eleventh Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television programme "Doctor Who".
 He is played by Matt Smith, in three series as well as seven specials, over an almost four-year-long period.
 As with previous incarnations of the Doctor, the character has also appeared in other "Doctor Who" multimedia.
Fantastic Mr Fox is a forthcoming musical stage adaptation of the children's novel of the same name by Roald Dahl, adapted by Sam Holcroft with music by Arthur Darvill and lyrics by Holcroft, Darvill, Darren Clark and Al Muriel.
 The story follows Mr Fox who hatches a plan to outsmart his three farmer neighbours in order to feed his family and friends.
The Crash of the Elysium is a one-hour theatrical work created originally for children by the British company Punchdrunk, centred on the unexplained disappearance of a Victorian steamer named the Elysium and its investigation by the Eleventh Doctor from the television series "Doctor Who".
 It premiered at MediaCityUK in Salford from 1 to 17 July 2011 as part of the Manchester International Festival, with a central narrative idea from Steven Moffat and written by Tom MacRae.
 It features the Weeping Angels and footage of Matt Smith as the Doctor specially recorded for the show.
 Its target audience is children from 6 to 12, with adults allowed in if accompanied by a child on "family" shows.
 A number of adults-only shows were subsequently added following requests from the public.
 On 16 July 2011, Matt Smith made a surprise visit to the show, appearing in character in place of the final video sequence.
 The show was remounted in Ipswich in 2012 as part of London 2012's Olympics festival.
"The Curse of the Black Spot" is the third episode of the sixth series of the British science fiction television series "Doctor Who".
 Written by Stephen Thompson, and directed by Jeremy Webb, the episode was first broadcast on 7 May 2011 on BBC One in the United Kingdom and on BBC America in the United States.
 It features the Doctor (Matt Smith) and his companions Amy Pond (Karen Gillan) and Rory Williams (Arthur Darvill).
Rory Williams is a fictional character portrayed by Arthur Darvill in the long-running British science fiction television series "Doctor Who".
 Having been introduced at the start of the 5th series, Rory joins the Eleventh Doctor (Matt Smith) as a companion in the middle of Series 5.
 As Amy Pond's fiancé, Rory is initially insecure because he believes Amy secretly loves the Doctor more.
 Later, however, he proves to be a hero in his own right and he and Amy marry.
 The couple conceive a daughter aboard the Doctor's time machine, the TARDIS, while in the time vortex, but their baby is kidnapped at birth.
 In "A Good Man Goes to War", Rory and Amy discover their time-traveler friend River Song is actually their daughter Melody Pond.
 The Doctor and River marry in "The Wedding of River Song", and Rory becomes the Doctor's father-in-law.
The "Doctor Who" Prom 2010 was a concert showcasing incidental music from the British science fiction television series "Doctor Who", along with classical music, performed as part of the BBC's Proms series of concerts.
 The concert was performed on 24 and 25 July 2010 at the Royal Albert Hall in London, and was hosted by actors Matt Smith, who portrays the Doctor, and Karen Gillan and Arthur Darvill, who play his companions, Amy Pond and Rory Williams.
Thomas Arthur Darvill (born 17 June 1982), known professionally as Arthur Darvill, is an English actor and musician.
 He is known for playing Rory Williams, one of the Eleventh Doctor's companions in the television series "Doctor Who" (2010-2012), and as Rev. Paul Coates in "Broadchurch" (2013–2017).
 From 2013 to 2014, he appeared in the lead role in the theatre musical "Once" in the West End and on Broadway.
 He portrays Rip Hunter in "Legends of Tomorrow".

Question: Which show connects Arthur Darvill and Matt Smith?
Answer: Doctor Who