“Under the Dome” (9 p.m., CBS): Will “Under the Dome” get any more ludicrous

“Under the Dome” (9 p.m., CBS): Will “Under the Dome” get any more ludicrous and unintentionally funny? We can only dream. The residents of Chester’s Mill continue their misadventures tonight.

“Graceland” (9 p.m., USA): Season 3 begins.

“Beyond Scared Straight” (9 p.m., A&E): Season 9 begins.

TV listings, B6