Silicon Valley Season 5 Trailer New Year. New Internet. New Season. Silicon Valley Season 5 premieres Sunday March 25th on HBO. Show More… 549 Comments Related Videos Silicon Valley 4×05 Promo “The Blood Boy” (HD) Silicon Valley 4×02 Promo “Terms of Service” (HD) This Season On Silicon Valley Season 4 Trailer #2 (HD) Silicon Valley Season 4 Trailer (HD)