Choose the correct form of the verb. He says this film ... (get) the most stunning action scenes ever.

The correct answer is "has got".

The sentence requires the present perfect tense because it expresses an achievement or a state that started in the past and continues to the present. In this case, the film has achieved the status of having the most stunning action scenes ever.

Therefore, the complete sentence is:

He says this film has got the most stunning action scenes ever.