NBC Spiel: "The NBC television network presents... Concentration! (insert special description). And now, here's your host, Hugh Downs/Bob Clayton/Ed McMahon/Jack Barry!" NBC Finale Spiel: "The NBC television network presents... Concentration! Today on this final day of Concentration, we have one of our favorite prizes, a beautiful new speedboat. And now, here's our star, Bob Clayton!" Syndicated Spiel: "From Hollywood, the game of puzzles and prizes, Concentration! And now, here's the host/star of Concentration, Jack Narz!"