English to Spanish Translator
Caracas, Capital District, Venezuela
It will depend on what Spanish variant you are interested in (Spanish- Spain or Spanish- Latin America). You can also watch your favorite series doubbed into Spanish, and as you already know some of the common phrases they say, you will get it quickly! The dubbed series or movies are usually in "Neutral Accent" which can also help.
I will leave you 2 trailers, one in Spanish from Spain and the other from LATAM so that you can grasp the difference.
(Spanish- LATAM) https://www.youtube.com/watch?v=nbvJbggA26A
In Spanish, there are not a lot of series but "Novelas" I can't recommend any because I don't usually watch them. So I did a little investigation for you.
Here is a list of 5 series (Latinas) to watch on Netflix: https://www.vix.com/es/series/178914/5-series-latinas-para-ver-en-netflix-no-no-es-narcos
Going a little further with Rachel's suggestion, you can also watch the series with Spanish subs.
I hope this can help you, have fun learning!