Speechyard can help you a lot if you like to watch TV series with English subtitles. When you come across an unknown vocabulary, you can simply click on that word and learn the meaning of it.
There are a lof categories, so you can find not only TV series, also short films, documentaries, and commercials.
When you click on Plus (+) icon, the word is automatically added to your list to review them later.
It is also possible to study grammar and vocabulary with different exercises related to the video you watch.
To get more information, you can have a look at this manual. How to use Speechyard