1988-1989 hour-long format question

Does anyone know what the format was like during the 1988-1989 season?

Was it two or three Slimer! shorts, and then a full-length episode of The Real Ghostbusters?

Yeah, I think that’s probably how the episode and the shorts aired If I can remember.

http://ghostbusters.wikia.com/wiki/User_blog:Devilmanozzy/First_Air_Dates_are_Wrong#S.21_and_RGB_Season_4_.28ABC_season_3.29

This site says that there was the first Slimer! short, then a full RGB episode, and then one or two more Slimer! shorts. So I have no idea which is correct.