HBO has confirmed the premiere date for Watchmen, one of the most highly-anticipated series coming to the cable channel. The series was created by Lost's Damon Lindelof and boasts a strong cast of TV's finest including Regina King, Don Johnson, Jean Smart, and Jeremy Irons. Watchmen will premiere on HBO on Sunday, October 20 at 9/8c. The date was confirmed on the Watchmen Twitter account with the ominous phrase "Tick tock", a recurring motif in this fictional world where Doomsday Clocks teasing the end of times reign supreme. The tweet also featured a very short clip …