These are cool -

1. First Season opening credits -

http://www.youtube.com/watch?v=u2KDz0kjjVo&search=Perfect%20Strangers


2. Later season opening credits -

http://www.youtube.com/watch?v=8vbnLYROCj8&search=Perfect%20Strangers


3. This is funny. Two guys got together and did a Pefect Strangers parody to the theme song -

http://www.youtube.com/watch?v=zyEjGEJyCzI&search=Perfect%20Strangers

They also have 3 episodes Pilot the lottery and another 1