All in The Family was the first series to be number-one in the ratings for five years in a row.

I Love Lucy hit number-one three years in a row, Gunsmoke did it four times consecutively.

QUESTION 4 of 15:

4. Billy Mumy starred as Will Robinson in Lost In Space in the Sixties. He starred in another Sci-fi TV series thirty years later. What is the name of that series?

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