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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

While training with Long Beach SWAT, Street discovers a biker club has stolen a cache of armour-piercing bullets and brings 20-Squad into the hunt for the gang before they can pull off a daring and deadly heist. As Hondo struggles with changes at work, Nichelle finds herself at odds with her former colleague Bruce

Camille and Scott use the communication stones to visit loved ones on Earth, but their experiences produce different emotions. On the Destiny, Rush oversees the exploration of the ship, and the crew members stumble upon a piece of ancient technology that has the possibility of getting them home - at a price

Colonel Young becomes the chief suspect when a crew member is killed, and his colleagues are forced to determine his guilt. Meanwhile, Rush manages to access the Ancient interface. Sci-fi drama, starring Robert Carlyle and Justin Louis

Convinced the family no longer loves him, a dejected Santa's Little Helper decides to run away from home, and has the misfortune to be adopted by Mr Burns - who brainwashes him into becoming a vicious attack dog

Homer goes to a Country and Western bar after a row with Marge, and vows to make the venue's singing waitress a star. As he throws himself into the role of manager, he realises he has to choose between his new career and his loyalty to his family. Featuring the voice of Beverly D'Angelo

A computer hacker is released from prison after serving six months for crossing the wrong people, only to walk straight into some masked thugs who bundle him into their car. The Five-0 detectives soon track down the vehicle with the help of the man's autistic little brother - but the news is not good, setting them out on a murder investigation. Meanwhile, Mary arrives in Hawaii and discovers her mother is still alive, so McGarrett stages a reunion - but he doesn't bank on his sister bringing along the motor-mouthed OAP she's been caring for. Christine Lahti, Alan Ruck and Shelley Berman guest star

A man's body is found burned in a sugar cane field and phone records lead the team to his psychiatrist, the smart and seductive Dr Olivia Victor. McGarrett is convinced the woman is somehow responsible for her patient's demise, but she proves more than a match for the determined detective. Meanwhile, Catherine crosses paths with disgraced witness protection agent Chris Channing, who has information that spells danger for Doris

After a prison transport van overturns, Hondo and the team hunt down three female fugitives, including a serial killer on the verge of a rampage. Wth Annie's return to work, Deacon struggles to maintain a work-life balance, and Luca does his best to teach Kelly to drive

Selma tells the family she is getting engaged to her prison pen-pal - none other than Sideshow Bob, who still harbours a grudge against Bart for landing him behind bars in the first place. Featuring the voice of Kelsey Grammer

Lisa begins to feel increasingly neglected by Homer and tries to worm her way into his affections by feigning an interest in American football. Amazingly, she soon shows an aptitude for predicting the outcome of games - an ability that sets him off on an amazing but ill-fated run of betting success