HBO is Bringing 'Westworld' City of Sweetwater to SXSW The network is bringing the infamous fictional city to this year's festival, which runs March 9-11. The event is being called "Live Without Limits Weekend," where guests will be able to find clues about the show’s upcoming second season, which will premiere on April 22 on HBO. HBO will also be offering Westworld-themed Lyft rides and an invite-only Westworld flight from Los Angeles to Austin, in partnership with Delta Air Lines.