A vicious cat named Kleo attacks Tim's cats, keeping him from proposing to his girlfriend, Brooklyn. Heather and Alan's cat Ruby ruins their in-home Pilates studio and threatens their livelihood with her sudden fits of aggression.

A female cat named Larry with disturbing bouts of aggression threatens to keep Josh and Tara from getting married. War veteran Bobby and his girlfriend In-Hae deal with Marco, a cat that reacts violently towards their tiny dog, Yuki

A vicious cat prevents Rob and Stephanie from adding a baby to their family. Jessica's cat, Mr. Fluff, chases her and her boyfriend Cameron around the house, scratching up everything in sight.

Dorothy and Travis's cat, Polly, vomits out of anger, and attacks the couple. They're afraid their 2-year old son is her next victim. Two sphinx cats, Black Rose and Mathilda, battle for control over Steve and Dierdre's home.

Jackson Galaxy is in Austin, Texas, to help a professional skydiver with two high-flying Savannah cats, Morello and Darwin; a couple's Maine coon cat, Wolfie, is pooping all over the house and covering it up with their stuff.

Coco is a vicious cat; Foley the cat is dividing newlyweds Joseph and Ruth.

Little cat Littlez is a big terror; Whisky poops anywhere, everywhere and on whomever.

Dexter is out to kill Daisy; Sarah's birthday gift, Giver, is not a great gift.

Einstein the cat ferociously attacks whenever he sees the other house cat, Izzy; a couple expecting their first baby must make a decision about their indoor cat, Ben who was diagnosed with Toxoplasmosis which could threaten the newborn's life.

Puma puts married couple's vows to the test; 8-year-old snowshoe cat, Riley is tearing apart 45 year marriage.

Jackson heads to Portland where a family and their cat made national headlines when Lux the cat trapped his family in a room forcing them to call 911.

Greg and Dina have three adorable children and one vicious, hostile cat named Mia; Tenille's cat, Precious is not her namesake.

Frankie the cat pees and poops all over Daniel and Desiree's new mulit-million dollar dream home; newly adopted Dyna hunts has the other cat,Sugar, hiding for her life.

Alyssa's cat, Tosh, terrorizes her boyfriend Andy when he moves in; Eric and Kaotar's cat, Vincent, destroys window screens and doors as he continuously tries to escape.

Alyssa's cat, Tosh, terrorizes her boyfriend Andy when he moves in; Eric and Kaotar's cat, Vincent, destroys window screens and doors as he continuously tries to escape.

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Monty can't stop himself from eating everything, whilst Thumbelina & Tigger just can't seem to get along.

Reese has been called the Jack the Ripper of cats; his ferocity has made his owners, George and Beth, prisoners in their own home; Help, Galaxy help!!!

Barnabas didn't turn out to be the cuddler that Alan and Shannon wanted, but rather a hissing, scratching, biting demon cat whose only kryptonite was opera music.

Marco's cat Monty eats anything in sight from shoes to bedspreads, yet Marco blames his new bride Aimee for enabling Monty's bad habit; Leilani and Michael had a happy two-cat household until Leilani brought in two more.

Jordan's beloved cat Chloe bullies Julie's cat Ketone making these newlywed's new life together a nightmare; Latham and Adrian spent a small fortune renovating their beachfront home in Laguna, but their cat Ducati is destroying their hard work.

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In the season premiere, newlyweds who both have cats bring them together under one roof, but one stalks and bullies its new sibling, which makes it pee all over the house. Meanwhile, a man's cat is so aggressive that his friends won't visit him, and the animal's diet of fried chicken, chips and doughnuts probably don't help its behavior.

Symone is already an aggressive cat, but the sound of Kelly laughing or crying launches her into a bloodthirsty attack. Alex is getting ready to go off to college, but she's afraid once she leaves her mom, Gena will get rid of her cat Meeko.

Godzilla is deaf and Doug and Talon's other cat Mudgie has a shattered pelvis and can't move her tail. Unable to communicate with each other, Godzilla is attacking Mudgie.