First episode: October 27, 1980
Last episode: April 23, 1982
Seen weekday mornings 10:30-11:00 on NBC
A single player competes against a family pair answering quick-response questions and trying to connect hexagonal boxes on a game board.
This was Bill's return to the Goodson-Todman fold after spending the 70s hosting Bob Stewart games.  (Bill had kept his ties with Goodson-Todman as a panelist on To Tell The Truth.)  Even with a run of only eighteen months, this was one of the more successful series of his later career, and certainly one of the better games.  Even today, it remains one of the more popular.

Read the original Variety review from November 5, 1980

In 1982, Bill received an Emmy nomination for hosting Blockbusters.  He also had Emmy nominations for Three on a Match and Hot Potato.

All episodes survive. The series has been seen on GSN: The Network for Games.

Watch the premiere:   

Screen grabs and more specifics at Adam Nedeff's Bill Cullen's World
The Blockbusters page on Wikipedia

 Original Blockbusters card courtesy of Chris Clementson