Industry News 'Silicon Valley' renewed for Season 5 by HBO but T.J. Miller won't be back 05/27/2017 HBO says it has renewed "Silicon Valley" for a fifth season to air in 2018, but co-star T.J. Miller isn't expected to return. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Amanda Crew Suzanne Cryer Kumail Nanjiani Martin Starr Matt Ross Zach Woods Thomas Middleditch Josh Brener Silicon Valley