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The first , " Fantastic Four " , produced by Hanna-Barbera , ran 20 episodes on ABC from September 9 , 1967 to September 21 , 1968 .
 Fantastic Four, Hanna-Barbera, ABC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Fantastic Four, Hanna-Barbera, ABC