These are all of the trailers for the original Ghostbusters movies, ripped from the Bonus Disc of the 2019 steelbook. This means they are presented in their best possible quality. The order of the trailers are...

GB1:
1. Teaser Trailer
2. Theatrical Trailer
3. International Teaser Trailer
4. 30th Anniversary Re-release Trailer

GB2:
1. Unfinished Teaser Trailer
2. Theatrical Teaser
3. Theatrical Trailer
4. International Trailer