The Dark Knight vs. Jack the Ripper...
“Batman: Gotham By Gaslight,&#34; based on the 1989 comic by Brian Augustyn and Mike Mignola, is set in an alternate, Victorian era timeline. It’s a dark tale that ranks as one of the best of the DC animated universe.<br /><br />Gotham City is gripped by fear. Jack the Ripper is killing and mutilating women of the streets. The murders have Police Commissioner James Gordon (Scott Paterson) and district attorney (Yuri Lowenthal) puzzled. The violence threatens the opening of Gotham’s upcoming World’s Fair. Millionaire Bruce Wayne (Bruce Greenwood) is determined to capture the elusive predator, patrolling the streets at night as the masked vigilante Batman, using modern technological gadgets. Assisted by showgirl Selina Kyle (Jennifer Carpenter), Batman confronts the savagery of the Ripper.<br /><br />The look of this film is simply fantastic. Jack the Ripper has been the focus of countless films, but incorporating him into a Batman saga pits two characters who thrive in the shadows against one another — one, pure evil, the other, representing good. Batman has remained fresh because of ever new dramatic possibilities. With its R rating, this isn’t a kids’ flick, but an often grim tale of lurid murder and expert detective work. It is graphically violent with images of sexuality and strong language.<br /><br />Bonus materials on the 2-disc 4K Ultra HD/Blu-ray Combo Pack included audio commentary, the featurette “Caped Fear: The First Elseworld;” a sneak peek at DC Universe’s next animated movie, “Suicide Squad: Hell to Pay;” and 2 bonus cartoons. A digital copy is enclosed. A 2-disc Blu-ray/DVD/Digital edition is also available.
The movie title "DCU: Gotham by Gaslight (4K Ultra HD/Blu-ray/Digital) [4K UHD]," available on Movies & TV, has received an average rating of 4.5 from 2577 reviewers. 
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This title falls under the categories of Movies & TV, Blu-ray and Movies. 
The additional details include the following in key-value format :
 {"Genre": "Animation/Television", "Format": "4K", "Contributor": "John DiMaggio, Anthony Head, Yuri Lowenthal, Sam Liu, Sam Register, Jim Krieg, William Salyers, Bruce Timm, Jennifer Carpenter, Scott Patterson, Grey DeLisle, Benjamin Melniker, Michael E. Uslan, Bruce GreenwoodJohn DiMaggio, Anthony Head, Yuri Lowenthal, Sam Liu, Sam Register, Jim Krieg, William Salyers, Bruce Timm, Jennifer Carpenter, Scott Patterson, Grey DeLisle, Benjamin Melniker, Michael E. Uslan, Bruce Greenwood  See more", "Initial release date": "2018-02-06", "Language": "English (Dolby Digital 5.1), French (Dolby Digital 5.1)", "Aspect Ratio": "1.78:1", "Is Discontinued By Manufacturer": "No", "MPAA rating": "R (Restricted)", "Product Dimensions": "0.7 x 7.5 x 5.4 inches; 3.21 Ounces", "Item model number": "B077HKSWN3", "Director": "Sam Liu", "Media Format": "4K", "Run time": "1 hour and 12 minutes", "Release date": "February 6, 2018", "Actors": "Bruce Greenwood, Jennifer Carpenter, Scott Patterson, Anthony Head, Yuri Lowenthal", "Subtitles": "French, Spanish", "Producers": "Bruce Timm, Sam Register, Benjamin Melniker, Michael E. Uslan", "Studio": "Studio Distribution Services", "Writers": "Jim Krieg", "Country of Origin": "USA", "Number of discs": "2"}

Here is a brief synopsis of the title : DCU: Gotham by Gaslight (4K Ultra HD/Blu-ray/Digital).