The end is nigh for Silicon Valley, and ahead of the excellent series premiere of Watchmen last night, HBO debuted a new trailer for the beloved comedy series. The writers and producers behind Silicon Valley announced earlier this year that the show’s upcoming sixth season would be its last, and this final trailer finds the gang grappling with issues like a potential buyout, the potential downfall of both Hooli and Pied Piper, and Richard (Thomas Middleditch) testifying in front of congress about his new internet. Creator Mike Judge has said he’s had the ending of the series in …