Game of Thrones’ eighth and final season will premiere on April 14, 2019.
Announced by HBO, the date was accompanied alongside a teaser that features Jon Snow, Arya Stark and Sansa Stark walking through the Crypt of Winterfell.
— Game Of Thrones (@GameOfThrones) January 14, 2019
As Jon, Arya, and Sansa are walking through the crypt, we hear from some of those no longer with us, and the teaser ends with the three characters arriving at statues of themselves, as darkness and ice threaten to consume them.
Source: IGN.com Game of Thrones' Final Season's Premiere Date Revealed