Question: Blackfish was released on which date in the UK?
About the article "Blackfish (film)", section "Home media".

Candidate passages:
"Blackfish" was released on DVD and Blu-ray Disc on August 26, 2013 in the UK (Region 2, PAL).
Its US release was on November 12, 2013.
The documentary was broadcast on CNN on October 24, 2013.
After the broadcast, CNN aired an Anderson Cooper special with Jack Hanna, Gabriela Cowperthwaite, Naomi Rose and Jack Hurley.
This was followed by a special edition of "Crossfire" with "Blackfish" associate producer Tim Zimmermann debating Grey Stafford, a conservationist, zoologist, and member of the International Marine Animal Trainers Association.
The documentary aired on BBC Four in the UK on November 21, 2013 as part of the "Storyville" documentary series.
Blackfish Publishing was founded in late 2006 by Matt Bielby, best known for his work at Future Publishing, also based in Bath, UK, where he worked on "Total Film", "PC Gamer" and "SFX".
Blackfish's launches were "Death Ray", a science fiction and fantasy title intended to go head-to-head with the runaway market-leader, Future's "SFX" (which Bielby edited from 1995 to 1996) and "Filmstar", a general film magazine in competition with "Total Film" and "Empire".
"Death Ray" launched in May 2007 and "Filmstar" in May 2009.
The company logo was a deep sea angler fish, and the corporate motto was We Go Deeper.
In August 2008 Blackfish Publishing announced that it had been bought by Rebellion Developments, the video game producer who already publish "2000 AD" and Abaddon Books.
"Death Ray" will change to a new format (longer but quarterly) and the changes will allow Blackfish to launch other monthly special-interest titles.
In October 2009, it was announced that Blackfish Publishing had split from Rebellion and that both "Death Ray" and "Filmstar" would cease production.
Matt Bielby was quoted as saying: "I've got some sad news, I'm afraid.
Blackfish Publishing is currently in the process of splitting from its parent company, the video game developer and publisher Rebellion, which means that the current issues of Filmstar and Death Ray magazines will, at the very least, be the last for some time.
"The company was formally dissolved on the 7 August 2012. 
Blackfish Publishing was a magazine publishing company based in Bath, UK.
Its first title was "Death Ray", a science fiction and fantasy title. 
Little is known about him, since he only appears in written historical records during the last three years of his life, primarily because of his interactions with the famous American frontiersmen Daniel Boone and Simon Kenton.
When the Shawnees were defeated by Virginia in Dunmore's War in 1774 , the resulting peace treaty made the Ohio River the boundary between western Virginia (what is now Kentucky and West Virginia) and American Indian lands in the Ohio Country.
Although this treaty was agreed to by Shawnee leaders such as Cornstalk, Blackfish and a number of other leaders refused to acknowledge the loss of their traditional hunting grounds in Kentucky.
Violence along the border escalated with the outbreak of the American Revolutionary War in 1775.
As a result, the Chillicothe Shawnees moved their town on the Scioto River further west to the Little Miami River, near what is now Xenia, Ohio.
Encouraged and supplied by British officials in Detroit, Blackfish and others launched raids against American settlers in Kentucky, hoping to drive them out of the region.
In revenge for the murder of Cornstalk by American militiamen in November 1777, Blackfish set out on an unexpected winter raid in Kentucky, capturing American frontiersman Daniel Boone and a number of others on the Licking River on February 7, 1778.
Boone, respected by the Shawnees for his extraordinary hunting skills, was taken back to Chillicothe and adopted into the tribe.
The traditional tale is that Boone was adopted by Blackfish himself, although historian John Sugden suggests that Boone was probably adopted by another family.
Boone escaped in June 1778 when he learned that Blackfish was launching a siege of the Kentucky settlement of Boonesborough, which commenced in September of that year.
The siege of Boonesborough was unsuccessful, and the Kentuckians, led by Colonel John Bowman, counterattacked Chillicothe the following spring.
This raid was also unsuccessful, but Blackfish was shot in the leg, a wound which became infected and was eventually fatal. 
Blackfish have declined very seriously due to overfishing, stream siltation and snag removal, and predation and competition by introduced species, particularly introduced trout species.
Recent bushfires in south-eastern Australia (2003–2006) have filled many blackfish rivers with large quantities of silt, and infilled the interstices ("gaps") between larger rocks that blackfish normally use as a refuge from predatory alien trout species.
The presumed result will be increased levels of alien trout predation on blackfish and the long term future of blackfish species is now of some concern.
The blackfish species are very low in fecundity, slow-growing and long lived, and have low migratory tendencies, so are extremely vulnerable to overfishing and localised extinctions.