Is the word filmes the same in Brazilian and European Portuguese?

Yes

The word "filmes" is identical in spelling, meaning, and grammatical function in both Brazilian and Continental Portuguese. The only difference lies in pronunciation: Brazilian Portuguese typically features more open vowels, whereas Continental Portuguese features more closed or reduced vowel sounds.

Brazilian Portuguese Examples

1. Eu amo filmes de ação. (I love action movies.)
2. Você assistiu aos filmes ontem? (Did you watch the movies yesterday?)
3. Você gosta de filmes de terror? (Do you like horror movies?)
4. Esses filmes são muito legais. (These movies are very cool.)
5. Eu assisti a vários filmes ontem. (I watched several movies yesterday.)

Portuguese (Continental) Examples

1. Eu adoro filmes de ação. (I adore action movies.)
2. Tu viste os filmes ontem? (Did you watch the movies yesterday?)
3. Gostas de filmes de terror? (Do you like horror movies?)
4. Estes filmes são muito fixes. (These movies are very cool.)
5. Eu vi vários filmes ontem. (I saw several movies yesterday.)