I leave a link where you will find a fantastic list of adjectives use to describe films.
You can listen to the pronunciation and its translation in Spanish: click on it to follow the listening.
24 adjectives to describe movies
- funny divertido
- interesting interesante
- boring aburrido
- difficult difícil
- surprising sorprendente
- hilarious divertidísima
- romantic romántica
- slow lenta
- fast-moving rápida
- predictable predecible
- disapointing decepcionante
- outdated desactualizada, pasado de moda
- senseless sin sentido
- thought provoking que te hace pensar
- pleasant agradable
- fascinating fascinante
- distasteful de mal gusto, desagradable
- disgusting desagradable
- violent violento
- charming encantador
- good bueno
- bad malo
- the best el mejor/la mejor
- the worst la peor/el peor
enjoy your learning! 
exactly what i was looking for for my lesson on a film.