"Lost" is a television series that aired on ABC from 2004 to 2010. The show was created by J.J. Abrams, Damon Lindelof, and Jeffrey Lieber, and it follows the survivors of a plane crash who are stranded on a mysterious and seemingly uninhabited island in the South Pacific.

The show is known for its complex storylines, character development, and use of flashbacks, flash-forwards, and time travel. The cast of characters is diverse and includes people from various backgrounds and professions, such as a doctor, a con artist, a former Iraqi soldier, a pregnant woman, and a lottery winner. As the survivors struggle to adapt to their new environment, they discover that the island is full of secrets, including a mysterious group of inhabitants called "The Others" and a powerful force that seems to be manipulating events on the island.

Throughout its six-season run, "Lost" was both critically acclaimed and popular with audiences. The show won numerous awards, including the Emmy for Outstanding Drama Series in 2005, and it was praised for its use of multiple genres, including science fiction, mystery, and adventure. The show also had a significant impact on television and popular culture, with its use of social media and transmedia storytelling helping to redefine the way that television shows are marketed and consumed.

While the show's finale was somewhat controversial among fans, "Lost" remains a beloved and influential piece of television history, and its legacy can still be felt in the numerous shows that have followed in its wake.