Many companies produce children's programing for all age groups. These are some of the best I've found.
Films on Demand is a web-based digital video streaming service that delivers educational films from Films Media Group anytime, anywhere!
Thousands of videos are available. Special features built into the platform allow users the ability to organize and bookmark clips, share playlists, and store quick links to favorite videos.
Many of the titles support closed captioning. If its available for the specific title, you’ll see a “Turn CC On” button in the upper right hand of the video player. Click on this button to toggle captions on/off.