8 Simple Rules
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50 free 8 Simple Rules trivia questions with answers — trivia quiz, new questions added Oct 2026.
8 Simple Rules began in 2002 as a comedy about an overprotective dad, and became something rarer: a sitcom that had to grieve in public. When John Ritter died during production, the writers wrote the loss into the story, and Cate Hennessy, played by Katey Sagal, moved to the centre of the show. This quiz covers the whole run: Cate and Paul, their children Bridget, Kerry and Rory, the relatives who move in, the neighbours, the guest stars and the episodes fans still talk about. There are questions on the cast's other famous roles and on what happened behind the scenes too. It is pitched for anyone who watched the Hennessys the first time around or has caught the reruns since. Start with the easy ones and see how far your memory goes.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Paul Hennessy's dream in the 8 Simple Rules episode Come and Knock on Our Door parodies which John Ritter sitcom?
Three's Company
Three's Company made John Ritter a household name as Jack Tripper in the 1970s. In the dream Paul is the grumpy landlord Mr. Roper, with Bridget and Kerry as roommates Chrissy and Janet.
Q 02Before playing sensible mom Cate Hennessy on 8 Simple Rules, Katey Sagal was famous as which lazy sitcom housewife?
Peggy Bundy
Peggy Bundy, the idle wife on Married... with Children, kept Sagal busy for a decade from 1987. Cate, the calm centre of a chaotic household, could hardly be more different.
Q 03Which future star of The Big Bang Theory played boy-crazy eldest child Bridget Hennessy on 8 Simple Rules?
Kaley Cuoco
Kaley Cuoco was 16 when the sitcom began in 2002, five years before she became Penny, the waitress across the hall from two physicists.
Q 04What job does Cate Hennessy return to full-time in the first season of 8 Simple Rules, leaving Paul in charge at home?
Nurse
Nurse is Cate's profession, and her return to hospital shifts sets up the whole sitcom. Paul, now working from home, is left to police the dating lives of two teenage girls.
Q 05Which Saturday Night Live alumnus joined 8 Simple Rules as C.J. Barnes, Cate Hennessy's wisecracking nephew?
David Spade
David Spade arrived after John Ritter's death, fresh from seven seasons as Dennis Finch on Just Shoot Me! His C.J. moves in and takes over as the family's chief joker.
Q 06Which star of The Rockford Files joined 8 Simple Rules as Jim, the gruff father of Cate Hennessy?
James Garner
James Garner joined after John Ritter's death in 2003 and stayed until the sitcom ended. His Jim arrives to help his widowed daughter and never quite leaves.
Q 07Which Married... with Children co-star of Katey Sagal guest-starred on 8 Simple Rules as Matt, Cate's old college flame?
Ed O'Neill
Ed O'Neill, Sagal's TV husband for a decade, turns up at Cate's window as a free-spirited ex. The reunion episode is fittingly titled Old Flame.
Q 08Before turning work-from-home lifestyle columnist, what was Paul Hennessy's newspaper job on 8 Simple Rules?
Sportswriter
Sportswriter was Paul's old beat, which is why he still treats a big game as sacred. He swaps the press box for a home office when Cate goes back to work.
Q 09Katey Sagal, who played Cate Hennessy on 8 Simple Rules, voices one-eyed captain Leela on which animated series?
Futurama
Futurama has starred Sagal as spaceship captain Turanga Leela since its 1999 debut, and she is the only main cast member who voices just one character.
Q 10After 8 Simple Rules ended, Katey Sagal won a Golden Globe playing matriarch Gemma in which cable crime drama?
Sons of Anarchy
Sons of Anarchy cast Sagal as Gemma Teller Morrow, ruthless queen of a California motorcycle club. Her 2011 award honoured a part created by her husband, Kurt Sutter.
Q 11Cate Hennessy of 8 Simple Rules claims her middle initial S stands for Stacy, but what is her real middle name?
Stinky
Stinky was the nickname of her father's best friend, whom he accidentally stabbed with a bayonet on a drunken night. Naming a child after the man was his way of making amends.
Q 12John Ritter died during production of 8 Simple Rules from which condition, first mistaken for a heart attack?
Aortic dissection
Aortic dissection, a tear in the body's main artery, killed Ritter hours after he fell ill at rehearsal. His widow later helped publish the Ritter Rules, a checklist for spotting it in time.
Q 13What is the title of the one-hour 8 Simple Rules episode in which the Hennessys learn that Paul has died?
Goodbye
Q 21Which actor, famous as Puddy on Seinfeld, plays Paul Hennessy's newspaper boss Nick Sharpe on 8 Simple Rules?
Patrick Warburton
Patrick Warburton plays Nick, an editor with teenage girls of his own. Watching him bully Rory shows Paul how he treats the boys who call for Bridget and Kerry.
Q 22What pet does Rory Hennessy get by trading away his father's baseball cards on 8 Simple Rules?
A monkey
A monkey is Rory's long-running obsession, and Paul's plan to distract him with card collecting backfires. Rory later swaps it for a guitar.
Q 23Where does Paul Hennessy collapse and die offscreen early in the second season of 8 Simple Rules?
A grocery store
Goodbye aired two months after John Ritter's death and drew more than 20 million viewers. It was filmed without a studio audience.
Q 14The Hennessy family of 8 Simple Rules lives in which state, home of Paul's beloved college football team?
Michigan
Michigan is home, and Paul treats the annual game against Ohio State like a public holiday. Bridget earns her driving licence there in the first season.
Q 15Which boyfriend of Bridget Hennessy later dates her younger sister Kerry on 8 Simple Rules, straining the sisters' bond?
Kyle
Kyle, the son of Paul's co-worker Tommy, is Bridget's boyfriend in the pilot. A kiss with Kerry at a party later that season starts the feud.
Q 16Which US network aired 8 Simple Rules for its whole run, moving the sitcom to Friday nights for its last season?
ABC
ABC launched the sitcom on Tuesday nights in September 2002 and cancelled it in May 2005, one season short of the 100 episodes prized for daily reruns.
Q 17Artistic middle child Kerry Hennessy is a passionate activist for which cause on 8 Simple Rules?
Animal rights
Animal rights drive Kerry to rail against a circus advert, take in a stray at Christmas and stage a sit-in to spare the frogs in biology class.
Q 18Jonathan Taylor Thomas, who guest-starred on 8 Simple Rules as Bridget's tutor Jeremy, grew up on which earlier sitcom?
Home Improvement
Home Improvement made Thomas a teen idol as middle son Randy Taylor. On 8 Simple Rules his Jeremy is a class nerd whom Bridget is embarrassed to fall for.
Q 19Which Backstreet Boys member guest-starred on 8 Simple Rules as Ben, the drum instructor Bridget falls for?
Nick Carter
Nick Carter plays Ben in the two-part story Drummer Boy, and Bridget is so smitten that she secretly follows him back to his college in Ohio.
Q 20What full-time job does slacker C.J. Barnes finally land at the Hennessy children's high school on 8 Simple Rules?
Teacher
Teacher is the job C.J. earns after a spell as a substitute, and his first thrill is access to the staff lounge. His grandfather is quietly proud of him.
A grocery store is where Paul collapses while buying milk, and Cate learns of it in a phone call that sends her running from the house in tears.
Q 24Which Moonlighting star played Maggie, the rival sister of Cate Hennessy, on 8 Simple Rules?
Cybill Shepherd
Cybill Shepherd arrives as Maggie when her marriage hits trouble, reviving a lifelong sibling rivalry. Maggie is also the mother of Cate's nephew C.J.
Q 25Cate's father Jim on 8 Simple Rules is a proud veteran of which conflict, bristling when it is called a police action?
The Korean War
The Korean War is Jim's proudest chapter, and the setting of the bayonet mishap that saddled his daughter with an embarrassing middle name.
Q 26Where in the Hennessy house does Cate's father Jim settle on 8 Simple Rules, later sharing the space with C.J.?
The basement
The basement becomes Jim's bachelor pad once he gives Rory his bedroom back. His grandson C.J. later joins him down there.
Q 27After John Ritter died, Disney chief Michael Eisner pitched which 8 Simple Rules plot for Cate, appalling colleagues?
A pregnancy
A pregnancy, with the birth timed for May sweeps, was Eisner's idea for keeping viewers. Network bosses thought it exploitative, and the pitch faded after heated arguments.
Q 28In the 8 Simple Rules episode Daddy's Girl, which dream does a family therapist urge Cate Hennessy to pursue?
Becoming a singer
Becoming a singer is Cate's dream, and she takes the stage at a bar to perform. The song was a real track from the album Katey Sagal released in 2004.
Q 29After Paul's death on 8 Simple Rules, how does Rory really injure the hand he claims he burned on a casserole dish?
Punching a wall
Punching a wall in his bedroom is how Rory vents his grief, and he hides the truth until he confesses to his grandfather Jim.
Q 30John Ritter was rushed from an 8 Simple Rules rehearsal to a Burbank hospital with which personal link to him?
He was born there
He was born there in 1948, at what is now Providence Saint Joseph Medical Center, and died there six days before his 55th birthday.