Gledam filmIm watching a movie
Notice that film doesn't change in the accusative case. Every noun that ends in a consonant is masculine, therefore, like neuter nouns, they do not change in the accusative case, except when they refer to people or animals,
some examples of male nouns:
brod - ship, film - movie, kruh - bread, ručak - lunch/dinner, sok - juice, voz/vlak - train
Note
Notice that film doesn't change in the accusative case. Every noun that ends in a consonant is masculine, therefore, like neuter nouns, they do not change in the accusative case, except when they refer to people or animals,
some examples of male nouns:
brod - ship, film - movie, kruh - bread, ručak - lunch/dinner, sok - juice, voz/vlak - train