krimi film (We would say: Kriminalfilm plus: the article: der = Der Kriminalfilm. Der ist connected to Film, with is ´movie` and is a noun.)

ich (In the beginning of a sentence we write with a big capital letter, even it is not a noun.) Ich mochte möchte gern_ gerne uber über einen intressant__ interessanten (Accusativ - About who do you want to talk?: DEN interessantEN Film.) film Film (noun) sprechen. das (write big in the beginning of the sentence / der Film) Der  film (noun) Film wird von maik (Maik is a name, so we write it big) Maik gedreht. Am besten (we say: am liebsten) sehe (when we talk about watching something, like a movie, than we use the verb ´schauen`. In this case it would be: schaue --> Ich schaue am liebsten...) ich kirimi film jetz obwohl ich kanpp kirimi film sehen (<-- I don´t get the last part of this sentence). Am liebsten schaue ich Kriminalfilme. / (or short:) Am liebsten schaue ich Krimis. Im film (noun) Film gibt es vielen viele _atsel Rätsel dass swei presson salven. --> If I understand this sentence like I think you mean, than it would be like this in german: Im Film gibt es viele Rätsel, die sich zwei Personen liefern / aufgeben.

--> Plase remember: Nound and words in the beginning of the sentence have to start with a big capital letter.

It was an interessting text and you thought a lot about what and how to write. Good job.