3rd Rock from the Sun - Season 6 - Eps 7: B.D.O.C.
The Solomons' say goodbye to Tommy as he goes to college, but Dick soon begins to miss him and attempts to convince him to come home. Tommy, however, is enjoying college life and doesn't want to, so Dick convinces him to pull an elaborate freshman prank to gain himself popularity, but really in the hope that Tommy will be expelled. Meanwhile, Sally and Harry are interviewing candidates for Tommy's replacement and although their best candidate appears to be a woman called Christie, when a handsome man named Bryce walks through the door, Sally hires him on the spot.
About 3rd Rock from the Sun

Title: 3rd Rock from the Sun
First Air Date: 1996-01-09
Last Air Date: 2001-05-22
Status: Ended
Rating: 7.471/10 (from 515 votes)
Language: EN
Seasons: 6
Total Episodes: 139
Network: NBC
Genres: Family, Sci-Fi & Fantasy, Comedy, Drama
Production Companies: Carsey-Werner Company
Synopsis
The high commander of an alien expedition lands on Earth -- what he considers to be the least-important planet -- in human form as Dick Solomon. Along for the ride are his alien compatriots Harry, Sally and Tommy -- who is the eldest of the group but is now angrily trapped in a teen's body.
Cast

John Lithgow
Dick Solomon

Kristen Johnston
Sally Solomon

Jane Curtin
Mary Albright

Joseph Gordon-Levitt
Tommy Solomon

Elmarie Wendel
Mamie Dubcek

French Stewart
Harry Solomon

Simbi Khali
Nina Campbell

Wayne Knight
Don Orville