TV Guide Sky Showcase Tuesday

The Proactive team looks for a burglar on a rooftop, but the hunt is cut short when officers are called away to chase a stolen car in Reading, while in Slough, Charlie and Mish encounter a criminal who takes drugs in full view of police officers

Thomas and Higgins are hired to find a missing gamer by his online friends, who believe he might be in trouble, while Jin Jeong enlists the help of TC in a treasure hunt after his ex-partner gets out of prison

As 20-Squad scrambles to track down a cold-blooded sniper terrorising Los Angeles, Hondo discovers a link to his own South LA neighbourhood that brings a personal twist to the hunt for the deadly shooter. Meanwhile, Tan finds himself questioning his leadership abilities, while Powell and Alfaro compete in a classic game of SWAT tag

Part one of two. Young tries to undo the Lucian Alliance brainwashing by interrogating Telford, who reveals the Destiny is in danger of being boarded, so the crew launches a pre-emptive attack. Meanwhile, Kiva tries to force a captive Rush to recreate a dialling programme

Part two of two. Young and Kiva's confrontation is interrupted as the Destiny is affected by power surges and Rush discovers a binary pulsar emitting radiation that has the potential to kill everyone on board

Homer and Marge try to breathe new life into their relationship by canoodling in public places, while Bart and Lisa use Grampa's metal detector to hunt for hidden treasure

Lisa attends a performing arts camp, where guitar-playing counsellors and musically inclined youngsters teach her to embrace her creative side. Meanwhile, Bart and Homer accompany Just the Clown to Norway, where he hopes to collect a Nobel Prize for his contributions to the comedy world. With the guest voices of Jemaine Clement and Bret McKenzie of Flight of the Conchords, and Glee stars Lea Michele, Cory Monteith and Amber Riley

A dead body falls on to a 4x4 belonging to none other than reality TV star Dog the Bounty Hunter (making a brief guest appearance) and the ensuing investigation leads the team to the local roller derby - so Catherine puts her skates on in an attempt to find a killer. Meanwhile, Doris has a run-in with a burglar who makes off with a box containing details of her entire black ops career. Alex O'Loughlin, Scott Caan and Christine Lahti co-star

The owners of a tour company accused of endangering the local shark population fall victim to a string of arson attacks - but the persecution turns deadly with the discovery of an employee's body at the bottom of a submerged shark cage. On a less grisly note, Kamekona hones his helicopter flight simulation skills in the hope of securing a pilot's licence

Tan finds himself on a one-man mission to save his new love interest and her journalist co-workers when mercenaries take over a black-tie correspondents' dinner. Hondo and Nichelle return home to find their house trashed, placing them at odds when it's revealed that she has a secret, while Hicks, Mumford and Buck take a trip down memory lane that threatens to end their decades-long friendships

Grampa gives each member of the family $50, and Lisa anonymously donates her money to Nelson to support his dream of making custom bicycles. During a visit to an upmarket department store, Marge decides to buy an expensive handbag and promises Homer she will return it. When the item is successfully returned for a full refund, despite signs of wear and tear, Homer is inspired to buy things he cannot afford with the intention of taking them back at a later date

A tax audit leads Homer into big trouble, leaving him with no choice but to make amends by helping the government nail Mr Burns for the theft of a trillion-dollar banknote

Documentary following the Thames Valley Police as they use unmarked cars fitted with on-board video cameras, offering an insight into vehicle crime and how it can be prevented. The programme also features shocking footage of dangerous drivers