Title: The Walking Dead (season 8)
Content:  The eighth season of The Walking Dead, an American post-apocalyptic horror television series on AMC, premiered on October 22, 2017, and concluded on April 15, 2018, consisting of 16 episodes. Developed for television by Frank Darabont, the series is based on the eponymous series of comic books by Robert Kirkman, Tony Moore, and Charlie Adlard. The executive producers are Kirkman, David Alpert, Scott M. Gimple, Greg Nicotero, Tom Luse, and Gale Anne Hurd, with Gimple as showrunner for his fifth and final season. The eighth season received mixed reviews from critics. It was nominated for multiple awards and won two, including Best Horror Television 
Title: The Walking Dead (season 8)
Content:  the Walking Dead for its fourth season. The eighth season also features the departures of series regulars Chandler Riggs (Carl Grimes), Steven Ogg (Simon), and Austin Amelio (Dwight). Riggs' final episode is the mid-season premiere where his character is killed off, which is a deviation from the comic book, where his character is still alive. His death received negative reactions from critics and fans. Ogg's final episode is the penultimate episode of the season, where his character is killed by Negan. Amelio departed the series after the season finale, and in January 2019, it was confirmed he would join the cast of Fear the Walking Dead.
Title: The Walking Dead (season 8)
Content:  The Walking Dead was renewed by AMC for a 16-episode eighth season on October 16, 2016. Production began on April 25, 2017, in Atlanta, Georgia. On July 12, 2017, production was shut down after stuntman John Bernecker was killed, after falling more than 20 feet onto a concrete floor. Production resumed on July 17. The season premiere, which also serves as the series' milestone 100th episode, was directed by executive producer Greg Nicotero. In November 2017, it was announced that Lennie James who portrays Morgan Jones, would be leaving The Walking Dead after the conclusion of this season, and would join the cast of the spin-off series 
Title: The Walking Dead (season 8)
Content:   The eighth season features twenty series regulars overall. For this season, Katelyn Nacon, Khary Payton, Steven Ogg, and Pollyanna McIntosh were promoted to series regular status, after previously having recurring roles, while Seth Gilliam and Ross Marquand were added to the opening credits.
Title: The Walking Dead (season 8)
Content:  The eighth season of The Walking Dead received mixed reviews from critics. On Rotten Tomatoes, the season holds a score of 65% with an average rating of 6.65 out of 10 based on 17 reviews. The site's critical consensus reads: "The Walking Deads eighth season energizes its characters with some much-needed angst and action, though it's still occasionally choppy and lacking forward-moving plot progression."
Title: The Walking Dead (season 8)
Content:  The eighth season was released on Blu-ray and DVD on August 21, 2018. The set includes three audio commentaries and three featurettes.
Title: Evolution (The Walking Dead)
Content:  "Evolution" is the eighth episode and mid-season finale of the ninth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on November 25, 2018.
Title: Start to Finish
Content:  "Start to Finish" is the eighth episode and mid-season finale of the sixth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on November 29, 2015. The episode was written by Matthew Negrete and directed by Michael E. Satrazemis. The episode focuses on the survivors fleeing and finding shelter from the gargantuan swarm of walkers that have invaded the Alexandria Safe-Zone.
Title: Pretty Much Dead Already
Content:  "Pretty Much Dead Already" is the seventh episode and mid-season finale of the second season of the post-apocalyptic horror television series The Walking Dead. It originally aired on AMC in the United States on November 27, 2011. In the episode, Glenn (Steven Yeun) reveals to the group that there are walkers in the Greenes' barn, dividing the group on what to do. Hershel Greene (Scott Wilson) sets a deadline for the group to leave, unless Rick Grimes (Andrew Lincoln) does a difficult task. Meanwhile, Shane Walsh (Jon Bernthal) slowly loses his sanity after many secrets around him are revealed and Carol Peletier begins to question whether her daughter, Sophia will be found. The episode was written by Scott M. Gimple and directed by Michelle MacLaren. The death of Sophia Peletier is 
Title: The Walking Dead (season 8)
Content: Deborah May as Natania, the vigilant leader of Oceanside. ; Sydney Park as Cyndie, Natania's granddaughter. ; Briana Venskus as Beatrice, one of Oceanside's top soldiers. ; Nicole Barré as Kathy, one of Oceanside's top soldiers. ; Mimi Kirkland as Rachel, an aggressive young member of Oceanside. 

Question: when does walking dead season 8 second half start?
Answer: October 22, 2017.
February 25, 2018.