In 2008, Valenzuela wrote and directed 2009: A True Story, a thirteen-episode dystopian web series that was nominated for Best Dramatic Web Series at the first-annual
Streamy Awards[5] and was featured by director
Wes Craven during his Halloween 2008 YouTube Takeover.[6] In 2009, Valenzuela directed Harper's Globe,[7] a thirteen-episode web series companion to the
CBS television drama, Harper's Island[8] and the mixed reality series Green Eyed World for Sprite,[9] which won the
Webby Award for Best Use of Social Media in 2010.[10]
In 2014, Valenzuela directed and co-wrote Versions of Elloise in collaboration with
Legendary Entertainment as part of “YouTube Space House of Horrors: A Legendary Halloween”[18] and was selected as one of ten finalists by
Guillermo del Toro.[19]
In 2015, Valenzuela directed the pilot episode of the reality competition Fight of the Living Dead,[20] which he executive produced and distributed through BlackBoxTV [21] from 2015-2016 for
YouTube Red. Also in 2015, Valenzuela was recruited by New Form - the digital studio co-founded by
Ron Howard and
Brian Grazer, to create, write and direct The Fourth Door,[22] a supernatural good versus evil drama series starring
Joey Graceffa and
Monique Coleman from High School Musical. The Fourth Door debuted on October 27, 2015 on
go90[23] and received honors at Marseille Web Fest[24] and Raindance Film Festival.[25] Beginning in 2016, Valenzuela directed nine episodes of the
virtual reality series BlackBoxTV Presents: 360\Horror and won the Best Immersive Storyteller
Streamy Award[26] in 2017 for excellence in VR and 360 filmmaking.
Valenzuela's feature-length directorial debut, The Axe Murders of Villisca[27] premiered at the
LA Film Festival on June 7, 2016.[28] In his December 7, 2016 review, Austin Chronicle critic Richard Whittaker wrote, "Villisca has heart and horror, creating an elegant melding of teen angst and supernatural horror that is as much The Breakfast Club as Sometimes They Come Back.”[29]