“Smallville” (8 p.m., CW): Death comes to town.

“Smallville” (8 p.m., CW): Death comes to town.

“30 Rock” (8:30 p.m., NBC): On “30 Rock,” Jack is eager to find a young and hip Republican celebrity for a John McCain fund-raising dinner. Alas, the only talent he can secure is Bucky Bright (Tim Conway), a 1950s-era TV star, who is still fixated on his glory days in old Hollywood.