Ozzy Osbourne settles into a multi-million dollar Beverly Hills mansion with wife Sharon and their teenage kids, Jack and Kelly.

The Osbournes learn the downside of a full house of dogs, as the chaos drives Ozzy up the wall—especially thanks to Jack’s unruly British Bulldog, Lola.

Ozzy hits the press circuit to promote his first album in six years, while Jack stirs up trouble on a camping trip. Back home, the family throws a big birthday bash for Kelly.

The Osbournes go to war with their next-door neighbors, whose late-night music habits push the family to the brink.

As Ozzy trains and rehearses for his upcoming tour, Sharon and Kelly test his patience with their relentless shopping sprees.

After injuring his leg on tour, Ozzy is forced to take a break—just as Jack and Kelly turn the house into an all-night party zone.

After a miserable Thanksgiving, Ozzy is fed up with the family and insists on returning to the tour alone.

Jack invites his lazy skater friend Jason Dill to stay at the house, much to Ozzy and Sharon's dismay.

As Christmas nears, Sharon indulges in a New York shopping spree while touring with Ozzy and Jack, only to learn their security guard Michael has been arrested for robbing the neighbors.

In the Season 1 finale, Ozzy enjoys a multi-course meal in the dining room and reflects on his life, fame, and family.

Sharon looks back on Season 1 and reflects on the show’s sudden, massive impact on the Osbournes’ lives.

Jack finds amusement in handling the stream of annoying tourists flocking to the house since the show’s breakout success. Meanwhile, Kelly preps for her MTV Awards debut, and Ozzy and Sharon head to Washington, D.C.

Sharon retreats to the family’s Malibu beach house to recover after receiving unexpected health news, while Ozzy battles to stay sober on tour under the weight of it all.

While Kelly heads to Europe for press and Jack films a guest spot on Dawson’s Creek in North Carolina, Ozzy tries to lift Sharon’s spirits by building a beachside fire so she can enjoy the outdoors.

Kelly gets a new boyfriend but keeps him far from home, worried the family will scare him off before he even makes it through the door.

Sharon reconnects with her father after more than two decades of silence, while Ozzy discovers a newfound obsession with burritos. Meanwhile, Jack and Kelly’s late-night partying leaves their parents thoroughly unimpressed.

Kelly brings in her friend Sarah to drum for her band, while Jack’s buddy Dill returns for another stay. Meanwhile, one freshly fixed dog gets a little too friendly with the rest of the animals.

As Kelly’s career heats up, she grows weary of the nonstop interviews and photo shoot, prompting Ozzy to step in with some fatherly support.

Ozzy grows increasingly anxious about Sharon's health. Her immune system is shot from the chemo, and the dogs run wild through the house. He cleans obsessively, urging everyone to wear gloves and masks.

The family decides to go to Las Vegas for Kelly's 18th birthday.

Sharon and Ozzy plan to renew their vows on New Year’s Eve, but not everyone’s on board. Kelly objects to the rabbi officiating since they’re not Jewish, and Ozzy is less than enthusiastic about the preparations.

Kelly officially declares war on Christina Aguilera, while Jack has simpler ambitions - he just wants to celebrate his birthday at Medieval Times.

A flea infestation wreaks havoc on the Osbourne household, leaving the pets frantic and the family itchy and miserable.

Ozzy keeps up his training with a goal to run five miles on his 54th birthday. The family celebrates with a party, capped off by a homemade fireworks show from Jack and Robert.

While Ozzy and Sharon escape to Hawaii for a short vacation, Jack throws a rowdy pool party that annoys Kelly and Melinda, and ends in total disaster.

With the family off to New York, Ozzy is thrilled to have the house to himself. Sharon hopes he’ll bond with Robert, but the two mostly steer clear of each other.

After accepting a peace offering from her folk-singing neighbors, Sharon finds no peace at all—the neighbors on the other side take up tennis, playing obsessively at all hours. As sleepless nights mount, three of the Osbournes’ cats vanish without a trace, and Sharon begins to suspect foul play.

Jack pays a visit to Courtney Love’s home and meets Brieann, Kurt Cobain’s sister, who’s staying there. Meanwhile, Sharon is unexpectedly moved after discovering Jack’s secret tattoo.

After 17 years of anticipation, Ozzy fulfils his dream of taking Jack on a fishing trip, but the outing doesn’t go quite as planned.

Jack and Robert travel to England to visit the Osbournes’ old family estate. With Kelly away on tour as well, Sharon finds herself missing both children—while Ozzy stumbles upon a long-lost keyboard from his Black Sabbath days.

Kelly’s relationship with Bert crashes and burns when he breaks up with her over the phone on Valentine’s Day, claiming no one took him seriously while they were together. Meanwhile, Jack grows uneasy after discovering he’s been acting out violently in his sleep.

The Osbournes go all out for Christmas, throwing a star-studded holiday bash featuring cooking segments, carols, a visit from Santa, and their own offbeat take on 'Twas the Night Before Christmas.

Sharon's feeling the heat from the powers that be behind her talk show, so she recruits Ozzy as her unlikely cohost. Back at home, the Osbournes' property undergoes some re-decorating.

Jack hits 18, scores a car, and tries to survive his driving test without wrecking it. Meanwhile, Kelly braces for round two in her ongoing feud with Christina Aguilera, this time on the stage of the MTV Europe Awards.

While Sharon juggles her talk show and a missing guest in DMX, Ozzy keeps busy giving every visitor a tour of his shiny new home studio. Back at the house, Jack and his friends invent new ways to keep themselves entertained.

Ozzy loses a diamond pinkie ring that is worth over $100,000. He becomes obsessed with trying to find it, and pleads with Sharon not to buy any more jewelry. She doesn't pay attention to his decree, and also buys his and her Bentleys. Ozzy eventually finds the ring, but is upset to learn that Sharon plans to buy Kelly a ring for her birthday. Meanwhile, one of the dogs, Colin, has to be fixed because he continuously humps everything in sight.

Kelly and Ozzy plan to travel to England, where they are to perform a duet of ""Changes,"" the title track from Kelly's sophomore album, on Top of the Pops. Ozzy upsets Kelly by saying that he doesn't want to come with her, but Sharon assures her that he will change his mind. Kelly's boyfriend, Rob, joins her on the trip. Ozzy annoys Kelly when he immediately complains of boredom and says that he wants to go back to Los Angeles. They later get along well while riding ATVs on the family's estate. Everyone seems pleased with their duet, and Ozzy predicts that it could hit number one on the U.K. charts. Before a talk show appearance, Kelly gets into a fight with Rob. They apparently break up, and he returns to the U.S. Ozzy suffers an accident while riding one of the ATVs. His bodyguard finds him lying on the ground, unconscious.

After three weeks in the hospital, Ozzy is released and continues to convalesce at his home in England. He and Sharon miss each other desperately. Ozzy develops a craving for eclairs, and cannot get enough of them. Meanwhile, Jack finally gets a hair cut after two years. Sharon experiences more problems with her talk show. Publicists begin pulling their clients from the show because they do not approve of Sharon's behavior, and Sharon grows tired of the constant tinkering with the show (adding cooking segments and makeovers). She decides to quit the show, and no one really fights her on it. She and Ozzy agree that they will no longer work unless it is a project they can take together. Ozzy is able to fly back home to Los Angeles, and is greeted warmly by the family.

Kelly annoys everyone, particularly Sharon, with her disgusting lack of personal hygiene as she refuses to shower for a long period of time. She is upset when Sharon accuses her of smoking. Ozzy receives a letter supposedly from the Prime Minister of Canada asking him to come to Canada to receive an award. Ozzy, however, suspects that the whole thing is a hoax.

Ozzy grows increasingly frustrated about being cooped up around the house. He misses Sharon, who is busy working on her show, and is upset about the weight he has been gaining because he cannot work out. He also hates the bulky neck brace that he is forced to wear. Jack gets another tattoo and reveals it to Ozzy. Ozzy is so bored that he goes out grocery shopping with his assistant, Tony, even though he hates to shop. He later joins Jack at the shooting range. Ozzy is soon able to begin using the treadmill again, and receives the good news that he can take off the neck brace.

Ozzy is upset by Kelly's tendency to wear revealing outfits when she goes out to clubs and parties. She feels that he is being overprotective. Ozzy worries about the behavior of one of the bulldogs, Colin, as he is attacking the other dogs (especially Lola). He tries to give him away to an employee, but Jack strongly objects. Ozzy grows frustrated, as he feels that no one pays attention to anything he says. He and Jack eventually patch things up, and Sharon tries to get through to Kelly.

Kelly continues to spend time with Rob, but doesn't want to be his girlfriend because he wants a committed relationship and she feels that she is too young to settle down. Sharon and Melinda try to convince her to change her mind. Jack heads off to Las Vegas. Ozzy and Sharon worry that he will spend too much time gambling. Kelly tells her parents that she is going to drive to San Diego. They don't want her to go, but eventually offer their approval. She actually has lied and is headed to Vegas as well. Ozzy becomes annoyed with Sharon for trying to decorate his studio. Ozzy and Sharon spend Valentine's Day together and express the hopes that their kids will meet someone special soon. They reflect on their years together.

Ozzy begins suffering from insomnia. He eventually undergoes testing with a sleep disorder expert to determine the cause. Jack gets a tattoo of a cross on his chest, but Ozzy and Sharon do not like it.

The family tries to decide where to go on vacation. Sharon turns down Fiji because none of the hotels meet her standards, while Ozzy nixes a number of other locations for various reasons. Sharon ultimately decides on Hawaii, although Ozzy is still reluctant to go. Meanwhile, Kelly wins a major role in a television pilot. She must miss out on the family's vacation to go to Vancouver for filming.

Ozzy, Sharon and Jack head to Hawaii for their vacation. Ozzy continues to be miserable for a while, but cheers up following a private luau. Jack goes diving in a shark cage. His friends invite strippers to the luau, and behave in ways that embarrass him. The traveling party winds up leaving without Jack's friends when they fail to show up on time for their flight.

Kelly irritates her mother by getting a lip ring. Ozzy and Jack are convinced that Kelly's erratic behavior and chronic illness are the result of drug use, but Sharon refuses to hear of it. Kelly eventually admits the truth to Sharon and enters rehab. Ozzy and Sharon don't believe she will stay at the facility for long.

Kelly struggles to adjust to life in rehab, and frequently calls home requesting various personal belongings. She wants to leave, but Jack urges her to tough it out. Jack celebrates both his birthday and a year of sobriety. Kelly arrives home and becomes frustrated by the curfew and other rules she must follow. She clashes with her mother often, and accuses Sharon of messing with her head when she expresses her concerns.

Sharon and Kelly plan a trip to Kenya on behalf of a charity organization. Ozzy doesn't want them to go, as he fears they will be kidnapped or contract malaria. Sharon also has second thoughts after hearing more details about the trip. The family receives a visit from Sir Elton John, who gives Ozzy an expensive necklace that leaves him feeling a bit embarrassed; and goes on a shopping spree with Sharon, Jack and Kelly. Ozzy, Sharon and Kelly later attend an event in honor of Covenant House, where Sharon receives an award and Kelly bids on a puppy.

A 25-year-old fan wins a charity auction for the right to spend the day with Sharon. Sharon is touched by the woman's generosity and invites her to spend the night at the Osbourne home. Meanwhile, Jack must attend an online traffic school after getting a speeding ticket.

The family travels to Japan, where Ozzy is to receive the Legend Award at the Video Music Awards. Kelly also makes several personal appearances. One of the employees, Sam, meets with some family members whom he hasn't seen in years, but can only communicate with them through a translator.

Sharon's talk show tapes its final episodes. Feeling mistreated, Sharon clashes with her bosses to the very end, showing up late on purpose and demanding money upfront. She takes her mind off of things by shopping, including the purchase of a state-of-the-art toilet. Kelly feels hurt when Sharon repeatedly criticizes her wardrobe. Ozzy pays another visit to the dentist.

Dr. Phil McGraw pays a visit to the house, where he holds a frank discussion with the Osbournes about drug abuse and other issues that have affected the family's relationships with one another. Examples are given through clips from previous episodes.