Welcome to the site! 
There are some ideas here:
Also search the forum for “movies”. There might be some posts.
Edit: here are some of them:
- Guide to memorizing movie/TV scenes and using them as memory palace
- The Use of Movies and Shows to Create Journeys
- Another approach using movies
- Learning Language Via Any Movie/Show/Game (Method of Loci -> Method of Time Sequence)
- Movie Memory Palaces
- Share what movies you use as memory palaces
- I need some examples for movie memory palaces
- Permanent Number System (Locations, movies & video games)
- I was wondering cant we use movies for loci
- Using a Movie as a Journey
- 4.Memory Palace (Doremon movie's Memory Palace)
- and even more here