Third Rock from the Sun Easter Eggs

In the episode "Tricky Dick" from season 3, Tommy joins a garage band that plays loud rock music much to Dick's dislike. Infact he rants at Tommy for his irreverance.

A tribute to one of John Lithgow's most famous roles in "Footlose" where he also... more

This occured in the episode of Third Rock in which William Shatner guest stars (4th season premiere, I believe). Early in the episode he complains about the flight in, saying that he saw a strange creature on the wing of the plane, and Dick Solomon (John... more