Killings In Kentucky: A respected vet, his wife and son are viciously gunned down in their home. Can detectives unearth the bitter truth behind this tragic crime? (S4, ep 10)

Triple Threat: When a California mother-of-two is found strangled in her home, detectives question whether she was the latest victim of a fledgling serial killer. (S4, ep 9)

Murder On The Menu: Detectives grill a host of suspects when they discover the dumped and dismembered body of a chef. Can forensics confirm his unlikely killer? (S4, ep 8)

A Bike Ride To Murder: When the brutalised body of a San Diego girl was found in a canyon in 1991, detectives unearthed a shocking truth that no one could believe. (S4, ep 7)

Gruesome Discovery: Police investigate the real-life case of a woman whose body was found in a rubbish bin. Could she have been the victim of a co-worker's violent obsession? (S4, ep 6)

Mother's Day Murders: When a military wife and her two girls are found dead, police uncover many suspects, including a babysitter and an eyewitness who can't be trusted. (S5, ep 5)

Too Close To Call: Just one or two fish is all that separates the top four boats as the crews enter the final five days of the Atlantic bluefin tuna season. (S4, ep 17)

Bait And Switch: Hard Merchandise hold the lead as the final week begins. But with a single tuna worth up to $20,000, the fight for first place will go down to the wire. (S4, ep 15)

Knock Out Punch: With just two weeks remaining, the Gloucester crews are locked in a tight race. It's clear that none of the teams are prepared to go down without a fight. (S4, ep 14)

Tuna Trifecta: With just three weeks left to fish, it's proving the closest race in Wicked Tuna history. With every bluefin caught, a new frontrunner threatens to emerge. (S4, ep 13)