Question: Where was the opening of three's company filmed?
Disambiguated questions and answers: question: Where was the opening scene where the trio are frolicking on a boardwalk and riding bumper-cars  of three's company filmed?
Where was the opening when Priscilla Barnes joined the show featured the new threesome and the other cast members of three's company filmed?
Where was the opening of exterior shots of the apartment building in three's company filmed?
answer: Santa Monica Pier
Los Angeles Zoo in Griffith Park
2912 4th Street in Santa Monica
question: Where was the boardwalk portion of the earlier Three's Company opening filmed?
Where was the zoo portion of the later Three's Company opening filmed?
Where were the exterior shots of the apartment building in the opening of Three's Company filmed?
answer: Santa Monica Pier
Los Angeles Zoo
Griffith Park
Santa Monica
2912 4th Street in Santa Monica
Natural Questions answer: Santa Monica Pier (from the Wikipedia article "Three's Company")