TV Guide Sky One Wednesday

Nick and Hank investigate when a child goes missing, uncovering several similar cases all linked by sightings of a mysterious ghostly presence. It transpires that the Weeping Woman - or La Llorona - is a ghost who kidnaps three children every Halloween and drowns them, hoping their sacrifice can atone for the loss of her own children, whom she also drowned. David Giuntoli stars

The team's fear that Kono is corrupt grows when a women's volleyball coach is murdered, and Chin Ho spends time with his ex-fiancee, Malia. Crime drama, guest starring Reiko Aylesworth (24)

The team recovers an alien orb, seemingly thousands of years old, while exploring a long-dead planet. Having been returned to the SGC, the artefact exhibits strange behaviour and ultimately takes O'Neill and the squad hostage. Sci-fi drama, starring Richard Dean Anderson

Karen tries to help caffeine-addicted Jack kick the habit, but ends up fighting cravings of her own. Will is annoyed that Grace appears to be acting more like a wife than an old friend during Joe and Larry's civil partnership ceremony

The pair pose as house-hunters to enable them to snoop around actress Sandra Bernhard's home, but their scheme backfires when she accepts their offer for the property. Karen is chastised for turning up late to her stepson's swimming gala. Comedy, with Eric McCormack and Debra Messing

A health inspector eats a pickled egg at Moe's and instantly drops dead. The authorities threaten to close the bar unless radical changes are made, prompting Homer to remortgage his house to help out his friend. However, Marge insists on becoming the new landlady - and no one is prepared for the consequences

Homer teaches victory dance moves to famous athletes, and proves so successful that he is chosen to produce the Super Bowl half-time show. Meanwhile, Ned gets backing from Mr Burns to create his own versions of Bible stories, but they are far from popular. With the voice of figure skater Michelle Kwan

Naturalist and shark expert Steve Backshall celebrates the dazzling diversity of sharks, uncovering their secret lives and the threats they face. He begins by exploring the radical variety of sharks in the Atlantic Ocean and marks the start of a global journey in the so-called shark capital of the world, the Bahamas

McGarrett takes part in a charity fight against mixed martial arts superstar Chuck Liddell during an investigation into the murder of a wealthy restaurant owner, and NCIS: Los Angeles' Kensi Blye joins the team to examine a video of McGarrett's father. Guest starring Daniela Ruah

Lisa enters a singing competition on the Krusty the Clown Show and makes it through to the final stages, but Homer's competitive streak threatens to sabotage her performance. Guest starring American Idol 2004 winner Fantasia Barrino as Lisa's rival Clarissa Wellington

Marge tries to bring culture to Springfield by asking architect Frank Gehry (guest starring as himself) to construct a concert hall. However, none of the locals is interested, so Mr Burns decides to turn the disused building into a prison, where Homer soon finds himself confined

The Proactive Squad from Thames Valley Police use unmarked cars fitted with on-board video cameras to give an intriguing insight into how they deal with robberies, street fights and domestic violence

McGarrett takes part in a charity fight against mixed martial arts superstar Chuck Liddell during an investigation into the murder of a wealthy restaurant owner, and NCIS: Los Angeles' Kensi Blye joins the team to examine a video of McGarrett's father. Guest starring Daniela Ruah