NBC (ended 2004)
Perfect show.
_ R _ _ _ - U _ D E R _ E _ R - _ R E E P _ _ _ - U P - _ _ - B U T T
used letters = F, R, U, J, G, V, E, D, T, P
C R _ _ _ - U _ D E R _ E _ R - C R E E P _ _ _ - U P - _ _ - B U T T used letters = F, R, U, J, G, V, E, D, T, P, L, C