Q&A: What was the name of the TV show with the bald aliens with the brown spot on their heads?

Question: What was the name of the TV show with the bald aliens with the brown spot on their heads?
It was an old tv show from the 80′s or 90′s about these aliens who’s planet was destroyed and they came to earth tho live with the humans. The aliens were all bald with brown spots on their heads. I think one of the aliens became a cop.

Answer:

Answer by mellamarlene
I might be going out on a limb here, but could it be Third Rock From The Sun? Hope it helps!

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