Dirty Jobs

 CA - Richard Foreman Dirty Jobs: Mike researches water snakes and fishes for Maine lobster (8 pm Discovery). Supernatural: Bobby and Dean (Jim Beaver, Jensen Ackles) trap Sam (Jared Padalecki) in Bobby's panic room so he can detox from the demon blood (9 pm KTLA). ...

 CA American Idol: Twelve semifinalists perform in a two-hour episode (8 pm Fox). Dirty Jobs: Mike tries to take the day off and convince two of the show's producers to roll up their sleeves and get dirty (9 pm Discovery). ...

 CA Dirty Jobs: Mike looks back at his previous 200 jobs and salutes his toughest co-workers (9 pm Discovery). 18 Kids and Counting: On the premiere of the new series (it's really the old series with one more kid) baby Jordyn-Grace Makiya Duggar comes home ...