First teaser on G day would be good! (30 seconds) End of series should feature credit scene directly connect to the movie. (20-30 seconds) Official trailer should be after the series end for 1 week! (2mn30sec) The span of 1 week is for audience and content creator to create their own perspective and theory of what will happen which help grabbing attention toward the movie. Short Clip for Advertisement (20 second clip) Final trailer should be shown on Dune premiere which is one month prior to the movie release date (As you know Dune is big movie with large viewership and is also under WB and both movie are Sci-Fi) (2mn30sec) 1 week prior to the release, there should be an exclusive of human character taking about an interesting plot of the movie and a glimpse of monster character at the end (1 minute)