The CW App and site are the only places where you can watch new episodes for free during the season.
Due to streaming rights, we're only allowed to stream the five most-recently-aired episodes of most of our existing series. Once five episodes from a current season are available, the oldest episode will be removed each time a new one is added. However, if an older episode of your favorite shows re-air on TV, it will become available to stream on The CW App and CWTV.com as part of the five-episode offering. Because we follow the on-air schedule that may include re-runs, the episodes may not always be in order.
You can follow the on-air schedule at cwtv.com/schedule to see what episodes are airing/streaming each week.
The following series have every episode (after they air) of current seasons available to stream free:
Batwoman, Nancy Drew, DC's Stargirl, Superman & Lois, Walker, Kung Fu, Coroner, The Republic of Sarah, Swamp Thing, Killer Camp, Whose Line Is It Anyway?, Masters of Illusion, Penn & Teller: Fool Us, Tell Me A Story, Pandora and The Outpost.
For CW Seed content, sometimes specific episodes of a series are unavailable due to streaming rights as well. This would explain why certain episodes are not showing up on the app or site.