Which of these U.S. TV shows did not debut in black and white?
Correct answer: Star Trek

alaalias
It says Bonaza, not Bonanza.

Mars V
Is Bonaza wrong because they misspelled it?

BlueEyedAlien
Player FishRman, You are correct. Bonanza was billed as the “in color” western from its debut. It was part of NBC’s Sunday night color line up.

Kiwozzie
Lots or Gray horses in Bonanza as I recall...

Player FishRman
I believe that the series Bonanza was started by RCA and was shown in color to sell more color television sets. So, the answer to this question has two correct answers.