Collision Course.

About Collision Course

The sixth season of the American television series Arrow premiered on The CW on October 12, 2017, and concluded on May 17, 2018, with a total of 23 episodes. The series is based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp, and is set in the Arrowverse, sharing continuity with other Arrowverse television series. The showrunners for this season were Marc Guggenheim and Wendy Mericle. Stephen Amell stars as Oliver Queen, with principal cast members David Ramsey as John Diggle, Willa Holland as Thea Queen, Emily Bett Rickards as Felicity Smoak, Echo Kellum as Curtis Holt and Paul Blackthorne as Quentin Lance also returning from previous seasons. Katie Cassidy, a principal cast member from seasons one to four and a guest actor for season five, was reinstated as a series regular for the sixth season as Laurel Lance / Black Siren. They are joined by Rick Gonzalez as Rene Ramirez and Juliana Harkavy as Dinah Drake, who were promoted to series regulars from their recurring status in the previous season.