The best-selling television series of 2017: ‘The Flash’ and ‘Arrow’ return to the CW network

The CW announced Thursday that “The Flash” and “Arrow” are returning to the network for a sixth and final season in 2019. 

The network also announced it will be adding new series to the streaming service. 

“The Flash,” from Warner Bros. Television, is scheduled to debut on The CW on Jan. 1, 2019.

“Arrows,” from CBS, will debut on CBS All Access on June 12, 2019 and the network will premiere a fourth season of “The 100” on April 29, 2020. 

In 2019, the network has plans to add two new shows to the lineup: “Supergirl” and a spinoff called “Archie.”