Grab A Slice of Heaven at Gizmo's Pizza! Gizmo's Pizza is a locally owned pizza joint in Newcastle, Oklahoma. Open Monday through Saturday, Gizmo's Pizza offers everything from wings and salads to specialty bread sticks and calzones to strombolis and gourmet pizzas. Customer favorites are the 'Luigis' Calizone, the 'Sicilian' Stromboli and specialty pizzas like The 'Big 12', Bacon Chicken Ranch and Mario's Pepperoni! Be sure to stop in Gizmo's to enjoy a little pizza party with family and friends!