The Magnificent Marble Machine is an American television game show that featured a giant pinball machine as its centerpiece. The program premiered on NBC on July 7, 1975 at 12:00 pm ET, replacing the short lived Blank Check whose timeslot was taken over by Jackpot.Merrill Heatter and Bob Quigley packaged this program, with Robert Noah as executive producer. Art James served as host, and Johnny Gilbert was the announcer.