Robert Kirkman launches the comic book series 'The Walking Dead,' which later inspires the TV show.
The first episode of 'The Walking Dead' airs on AMC, introducing viewers to the post-apocalyptic world.
The highly anticipated second season of the TV show begins airing.
Season three of the TV show premieres, expanding storylines and character development.
The fourth season of the popular series begins with new challenges and characters.
Rumors about the show ending circulate but AMC confirms continuation with additional seasons.
Season five premieres with significant ratings and fan interest.
Season six launches, continuing the story of survival and conflict.
Season seven starts, noted for its intense storyline and character drama.
Season eight begins, focusing on major conflicts with antagonistic groups.
Lead actor Andrew Lincoln announces he will leave the series during season 9.
Season nine debuts with new cast dynamics and storyline developments.
Lauren Cohan re-joins the cast full-time starting from season 11 after a guest role in season 9.
The final season of the TV show begins airing, concluding the long-running series.
The last episode of 'The Walking Dead' TV series is broadcast, ending the show's 11-season run.
A mysterious virus causes the dead to reanimate as zombies, leading to societal collapse.
Sheriff Rick Grimes awakens from a coma to find the world overrun by walkers.
Rick reaches Atlanta and discovers a purported safe zone overrun soon after.
Rick encounters Morgan and his son Duane, who help him adjust to the new reality.
Rick travels to find his family, culminating at the home of his wife's friend to seek shelter.
Rick is reunited with his wife Lori and son Carl at the Greene farm.
Rick's group discovers an abandoned prison and decides to clear it to use as a safe haven.
The Governor, leader of Woodbury, attacks the prison leading to significant casualties.
Rick's group finds and is integrated into the Alexandria community.
Negan and his group of Saviors make their first major hostile contact with Rick's group.
Negan kills Glenn in front of Rick's group using his baseball bat wrapped in barbed wire, Lucille.
Rick's group wages an all-out war against the Saviors to end their tyranny.
Communities begin rebuilding society and establishing trade and cooperation post-Saviors war.
A hostile survivor group, the Whisperers, introduces a new threat disguised with walker skins.
Alpha leads the Whisperers in a brutal attack on the Kingdom community.
Michonne departs the community to search for Rick after his disappearance at sea.
