The Blockbuster acquisition gave Viacom access to large television holdings controlled by Aaron Spelling's company, Spelling Entertainment; along with his own productions, Spelling controlled the pre-1973 ABC and NBC back catalogs by way of Worldvision Enterprises and Republic Pictures.
Akuisisi Blockbuster yang dilakukan oleh Viacom memberikan akses kepada kepemilikan televisi besar yang dikendalikan oleh Spelling Entertainment milik Aaron Spelling; bersama dengan produksi sendiri, Spelling mengontrol katalog ABC dan NBC lewat Worldvision Enterprises dan Republic Pictures, sebelum 1973.