(film, television) a trailer or a preview

main / primary content (as opposed to openings, etc.)

flow, run, rush, stream / wash away / (for rumors, news, etc. to) circulate, go around / (for time to) pass / (for music or video to) play / fail, fall through / trend

to begin

movie, film

in front of, before, ago,

before / in front

in front (of) / before (in time)

the last, the previous / pre- (of an era)

(rare) an honorific suffix added to a noun denoting a person