Title: The Vampire Diaries (season 8)
Content:  The Vampire Diaries, an American supernatural drama, was renewed for an eighth and final season by The CW on March 11, 2016. On July 23, 2016, The CW announced that the upcoming season would be the series' last and would consist of 16 episodes. The season premiered on October 21, 2016 and concluded on March 10, 2017.
Title: The Vampire Diaries (season 8)
Content:  Filming for the season began on July 20, 2016. It was announced on July 23, 2016, that season 8 of The Vampire Diaries would be the series' last and co-creater Kevin Williamson would return as a showrunner. Filming for the season ended on February 8, 2017.
Title: The Vampire Diaries (season 8)
Content: Michael Trevino as Tyler Lockwood ; Chris Wood as Kai Parker 
Title: The Vampire Diaries
Content:  the series for a seventh season. On April 6, 2015, lead actress Nina Dobrev confirmed that she and co-star Michael Trevino (who plays Tyler Lockwood) would be leaving the show after its sixth season. Dobrev returned to record a voiceover for the seventh-season finale and returned as a guest star in the series finale. Trevino appeared as a guest star in season seven and returned for season 8. On March 11, 2016, The CW renewed the series for an eighth season, but on July 23, 2016, announced that the eighth season, consisting of 16 episodes, would be the show's last. The final season began airing on October 21, 2016 and 
Title: The Vampire Diaries (season 7)
Content:  The Vampire Diaries, a one-hour American supernatural drama, was renewed for a seventh season by The CW on January 11, 2015, and premiered on October 8, 2015. On March 11, 2016, The CW renewed The Vampire Diaries for an eighth season, which was confirmed to be the final one in July 2016.
Title: Fade into You (The Vampire Diaries)
Content:  "Fade into You" is the 8th episode of the sixth season of the American series The Vampire Diaries and the series' 119th episode overall. "Fade Into You" was originally aired on November 20, 2014, on The CW. The episode was written by Nina Fiore and John Herrera and directed by Joshua Butler.
Title: The Vampire Diaries
Content:  she would be leaving the show after its sixth season. Dobrev returned to record a voiceover for the seventh-season finale and returned as a guest star in the series finale. In March 2016, The CW renewed the series for an eighth season, but in July of that year announced that the eighth season, consisting of 16 episodes, would be the show's last. The final season began airing on October 21, 2016, and ended March 10, 2017. The concepts and characters developed in the series served to launch a media franchise that includes other television series, web series, novels and comic books. The television series The Originals, which also aired on The CW, was the first major entry in this collection of connected works.
Title: The Vampire Diaries
Content:  1, 2010. The Vampire Diaries Season 2 will be available on DVD and Blu-ray on August 30, 2011. Region B's releases varied; the United Kingdom on August 22, 2011, Brazil on August 25, 2011. The Vampire Diaries: Season 3 will be available on DVD and Blu-ray on September 11 and A and on September 5, 2012, for Regions 4 and B.  The Vampire Diaries: Season 4 is available on DVD and Blu-ray in A as of September 15, 2013. In Japan, the fourth season was released in a special collection, including bonuses not available elsewhere. Included in the collection are an ankle bracelet, promotional image cards, and a booklet about the cast.
Title: The Vampire Diaries (season 4)
Content:  The Vampire Diaries, an American supernatural drama, was renewed for a fourth season by the U.S. channel The CW on May 3, 2012, seven days before the third season's finale. Unlike the previous seasons that aired in September, it premiered on October 11, 2012, to avoid competition from major television shows. Season 4 consisted of 23 episodes instead of the usual 22 episodes. On January 11, 2013, it was announced that a back-door pilot focused on the Originals, titled The Originals will air on April 25 for series pick-up. On April 26, 2013, The CW announced that The Originals, The Vampire Diaries spin-off series, was picked up for a full season slated to premiere next fall. On February 11, 2013, The CW renewed the series for a fifth season.
Title: The Vampire Diaries (season 8)
Content:  On January 26, 2017, it was announced that Nina Dobrev would return as Elena Gilbert in the series finale. At the end of the episode, "It's Been a Hell of a Ride" on February 24, 2017, it was revealed that Dobrev would reprise her role of Katherine Pierce as well.

Question: when does season 8 of vampire diaries come out?
Answer: October 21, 2016.
on October 21, 2016.