From "Three's Company" to "The Golden Girls" to "Family Guy."  What do all of these shows have in common?  They have great theme songs that we all can sing along with...whether we'll admit it or not.

These theme songs not only introduce the show following them, but they also give us insight into what we're about to see.  And seriously, is it weird that we know all of these by heart?

What's your favorite TV theme song?  Chances are it made this list.  Check it out!