Watch Dexter Season 5 Episode 5 Online: Have you waited the new episode of Dexter season 5? oh yes, this time to know what we can expect from this episode that have entittled ” First Blood “. Dexter Season 5 Episode 5 will hitting your television tonight Sunday October 24th, 2010 on Showtime Channel.When Dexter is saddled with an unwanted conspirator, he is forced to make some hard decisions about her fate; meanwhile, Dexter wonders if Rita’s death has awakened a darkness inside Harrison; due to Quinn’s recent suspension, Debra works the Santa Muerte case alone, leaving Quinn time to enlist an old friend to look into Dexter.