What if MGM (later, MGM/UA Entertainment; and later Turner Entertainment) made a agreement with Toei Company Ltd. about distribution rights (outside Japan) of Toei tokusatsu film library, since 1971 onwards... well... this is the schedule of Boomerang LatAm in November 2003.
(Chilean time, based on a Argentinian feed, if Boomerang had launched into 3 feeds: Mexico, Argentina and Brazil)
Weekdays
06:00 / 14:00 / 22:00 - Kidou Keiji Jiban
06:30 / 14:30 / 22:30 - Kousoku Sentai Turboranger
07:00 / 15:00 / 23:00 - Jonny Quest
07:30 / 15:30 / 23:30 - Centurions
08:00 / 16:00 / 00:00 - The Huckleberry Hound Show
08:30 / 16:30 / 00:30 - Secret Squirrel
09:00 / 17:00 / 01:00 - Tom and Jerry
09:30 / 17:30 / 01:30 - The Roadrunner Show
10:00 / 18:00 / 02:00 - The Flintstones
10:30 / 18:30 / 02:30 - The Jetsons
11:00 / 19:00 / 03:00 - The Three Stooges
12:00 / 20:00 / 04:00 - Kamen Rider (1971 series)
12:30 / 20:30 / 04:30 - Seiun Kamen Machineman
13:00 / 21:00 / 05:00 - Josie and the Pussycats in the Outer Space
13:30 / 21:30 / 05:30 - Wacky Races
Weekends
06:00 / 14:00 / 22:00 - Thundarr the Barbarian
06:30 / 14:30 / 22:30 - The Adventures of Batman (Filmation's 1968 cartoon)
07:00 / 15:00 / 23:00 - Speed Buggy
07:30 / 15:30 / 23:30 - Wally Gator/Touché Turtle/Lippy the Lion
08:00 / 16:00 / 00:00 - Kyodai Ken Bycrosser
08:30 / 16:30 / 00:30 - Kamen Rider Super-1
09:00 / 17:00 / 01:00 - Ruff and Reddy
09:30 / 17:30 / 01:30 - The Amazing Chan and the Chan Clan
10:00 / 18:00 / 02:00 - Batman (1966 series)
10:30 / 18:30 / 02:30 - The Green Hornet
11:00 / 19:00 / 03:00 - The Flintstones
11:30 / 19:30 / 03:30 - The Jetsons
12:00 / 20:00 / 04:00 - Top Cat
12:30 / 20:30 / 04:30 - Jabberjaw
13:00 / 21:00 / 05:00 - Bugs and Daffy