With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The first four seasons of Arrow are available on DVD and Blu-ray.
text_B: Arrow is an American action crime television series developed by writer / producers Greg Berlanti , Marc Guggenheim , and Andrew Kreisberg .. Greg Berlanti. Greg Berlanti. Marc Guggenheim. Marc Guggenheim. Andrew Kreisberg. Andrew Kreisberg. action. action film. crime. crime fiction. It is based on the DC Comics character Green Arrow , a costumed crime-fighter created by Mort Weisinger and George Papp .. DC Comics. DC Comics. crime. crime fiction. Green Arrow. Green Arrow. Mort Weisinger. Mort Weisinger. George Papp. George Papp. It premiered in North America on The CW on October 10 , 2012 , with international broadcasting taking place in late 2012 .. The CW. The CW. Primarily filmed in Vancouver , British Columbia , Canada , the series follows billionaire playboy Oliver Queen -LRB- Stephen Amell -RRB- , who , five years after being stranded on a hostile island , returns home to fight crime and corruption as a secret vigilante whose weapon of choice is a bow and arrow .. Stephen Amell. Stephen Amell. crime. crime fiction. The series takes a new look at the Green Arrow character , as well as other characters from the DC Comics universe .. DC Comics. DC Comics. Green Arrow. Green Arrow. Although Oliver Queen / Green Arrow had been featured in the television series Smallville from 2006 to 2011 , on the CW , the producers decided to start clean and find a new actor to portray the character .. Green Arrow. Green Arrow. Smallville. Smallville. Arrow focuses on the humanity of Oliver Queen , and how he was changed by time spent shipwrecked on an island .. Most episodes in the first five seasons have flashback scenes to the five years in which Oliver was missing .. Arrow has received generally positive reviews from critics .. The series averaged about 3.68 million viewers over the course of the first season and received several awards and multiple nominations .. To promote it , a preview comic book was released before the television series began , while webisodes featuring a product tie-in with Bose were developed for the second season .. Bose. Bose Corporation. The first four seasons are available on DVD and Blu-ray in regions 1 , 2 and 4 ; a soundtrack was also released for the first two seasons .. In October 2014 , a spin-off series set in the same universe , titled The Flash , premiered .. spin-off. Spin-off ( media ). the same universe. Arrowverse. The Flash. The Flash ( 2014 TV series ). In August 2015 , an animated spin-off , Vixen , was released , while a second live-action spin-off , Legends of Tomorrow , premiered in January 2016 , featuring a number of characters from Arrow and The Flash .. action. action film. spin-off. Spin-off ( media ). The Flash. The Flash ( 2014 TV series ). Vixen. Vixen ( web series ). Legends of Tomorrow. Legends of Tomorrow. On March 11 , 2016 , the series was renewed for a fifth season , which premiered on October 5 , 2016 .. On January 8 , 2017 , The CW renewed the show for a sixth season .. The CW. The CW
related.