More Whose Line Is It Anyway? is in the works at The CW. According to The Hollywood Reporter, the network has officially renewed the long-running improv show for another season. It will make the show’s fifth season on The CW and the 13th season overall. Season 5 is slated to debut in summer 2017, and Aisha Tyler, Ryan Stiles, Wayne Brady, and Colin Mochrie will all return.