"Dirty Jobs Down Under with Mike Rowe"

REALITY. Host Mike Rowe finds dirty jobs sometimes involve deadly tasks when he helps capture the world's most venomous snake in Australia.

10 p.m., Discovery

"Top Chef Masters"

REALITY. The Masters meet a legend — boxing champ Sugar Ray Leonard serves as guest judge tonight.

10 p.m., Bravo

"I Married a Mobster"

REALITY. Ruthann Seccio married into the Philly mob, but not all members of her new "family" were particularly fond of her.

10 p.m., Investigation Discovery

"Ghost Hunters"

REALITY. Though Grant Wilson, cofounder of TAPS (The Atlantic Paranormal Society), decided to leave the show, the team carries on their ghost-hunting mission with a trip to a historic jail in South Carolina, where a female serial killer hanged in 1820 may be haunting visitors.

Midseason premiere, 9 p.m., Syfy

"Paranormal Witness"

REALITY. And for more otherworldly tales, "Paranormal Witness" recounts the story of a widower whose new bride may be haunted by his deceased wife.

10 p.m., Syfy

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