S1/EP 1 - Pilot
Joan is given a mission from someone called "God". Meanwhile, Joan's dad, the new chief of police for Arcadia, is trying to solve the case of a serial killer.
S1/EP 2 - The Fire and the Wood
Joan enrolls in AP chemistry, after a talk with God. Will ruffles feathers during an arson investigation.
S1/EP 3 - Touch Move
God encourages Joan to learn how to play chess. Will must work with a psychic on a missing toddler case
S1/EP 4 - The Boat
Helen fears Joan is becoming eccentric when she enthusiastically tackles her boat-building project. Will encourages Kevin to join a wheelchair basketball team.
S1/EP 5 - Just Say No
God tells Joan to hold a garage sale. Meanwhile, Will goes to bat for a rape victim even though the district attorney feels the case isn't strong enough.
S1/EP 6 - Bringeth It on
Joan gets a lesson in popularity when God tells her to try out for the cheerleading squad. Will's case involves involves an abandoned newborn.
S1/EP 7 - Death Be Not Whatever
Joan baby-sits for a young boy who is obsessed with death.
S1/EP 8 - The Devil Made Me Do It
God asks Joan to volunteer at the high-school art show. Elsewhere, Will feels pressure from the DA's office to call a man a hero after he shoots and kills a home intruder.
S1/EP 9 - St. Joan
God wants Joan to score an "A" on a test about French saint Joan of Arc. Meanwhile, Will is unjustly raked over the coals for shutting down a drug case.
S1/EP 10 - Drive, He Said
Helen gets a positive result on a home-pregnancy test, Joan dreads having to take her driver's exam, and Will winds up in danger.
S1/EP 11 - The Uncertainty Principle
God instructs Joan to ask a troublemaker to the winter formal. Will uncovers secrets about the former Chief of Police and other members of the city's government.
S1/EP 12 - Jump
Joan questions God when a friend dies. Meanwhile, Will loses his job after he discovers corruption.
S1/EP 13 - Recreation
Helen and Will go out of town, and God asks Joan to throw a party.
S1/EP 14 - State of Grace
God tells Joan to join the debate team, where her partner has a stuttering problem. Helen wonders if she should take an art teacher position.
S1/EP 15 - Night Without Stars
Joan's newest mission involves babysitting children from abused homes, and Luke makes a shocking admission to Kevin.
S1/EP 16 - Double Dutch
God tells Joan to learn to jump rope with a group of inner-city teens, one of whom Joan discovers is homeless. Kevin goes on a mystery date.
S1/EP 17 - No Bad Guy
After Joan stands up for one of her classmates being bullied, an embarrassing picture of Joan, taken with a picture phone, is rapidly spread around school. God instructs Joan to join the band. Will must deal with an elderly driver who accidentally killed several people.
S1/EP 18 - Requiem for a Third Grade Ashtray
God instructs Joan to help out with the a chaotic Girardi household, and Will and Toni get stuck in an elevator with a pregnant woman.
S1/EP 19 - Do the Math
God tells Joan to take piano lessons, and Iris becomes suspicious of Adam and Joan closeness.
S1/EP 20 - Anonymous
Joan joins the yearbook staff, per God's request, and decides to use this assignment as a means of impressing Adam.
S1/EP 21 - Vanity, Thy Name Is Human
Joan takes a cosmetics class, per God's request, and Kevin doesn't react well to crossing paths with the last girlfriend he dated before his accident.
S1/EP 22 - The Gift
God tells Joan to give Adam a gift, and Kevin begins covering court proceedings for the paper.
S1/EP 23 - Silence
Upon hearing that Joan may have been suffering from the symptoms of Lyme Disease for months, Will and Helen believe this news may explain Joan's mood swings and atypical behavior.
S2/EP 1 - Only Connect
Joan tries to return to a "normal" life and ignores God.
S2/EP 2 - Out of Sight
A wild friend of Joan's from summer camp starts school at Arcadia High. Will investigates a drive-by shooting;
S2/EP 3 - Back to the Garden
God instructs Joan to start a community garden, and a former police informant is killed setting Will and Carlisle on a mission to find corrupt cops.
S2/EP 4 - Cat, The
God wants Joan to adopt a stray cat, and Will again starts an internal investigation.
S2/EP 5 - The Election
God wants Joan to make a difference in the election, and Will has problems with the new head of the police department.
S2/EP 6 - Wealth of Nations
Joan helps Helen at a church clothing drive and finds a way to help the poor and make some money for herself.
S2/EP 7 - P.O.V.
God appears to Joan as a filmmaker and encourages her to make a videography of her life for public TV, but her new perspective leads her to misinterpret a moment between Adam and Judith.
S2/EP 8 - Friday Night
Joan is stressed as she and Adam prepare for their first official date at an upscale restaurant.
S2/EP 9 - No Future
Depositions are taken in the lawsuit against the Girardis, dredging up emotional issues for the family, especially for Will and Helen.
S2/EP 10 - The Book of Questions
Joan is on a quest to help Grace survive her bat mitzvah.
S2/EP 11 - Dive
God's vague instruction to do something that scares her leads Joan to try out for the school diving team, as does Luke, who is determined to impress Grace with an act of bravery.
S2/EP 12 - Game Theory
As Joan debates whether she should continue her education past high school, God points her in the direction of a handsome and supportive college-age tutor.
S2/EP 13 - Queen of the Zombies
Joan receives heavenly encouragement from God when she auditions for an overly ambitious director's school play about young zombies in love.
S2/EP 14 - The Rise and Fall of Joe Girardi
Joan acts like a Good Samaritan and in return becomes somewhat of a local celebrity after she puts herself in harm's way.
S2/EP 15 - Romancing the Joan
As Valentine's Day approaches, Joan worries that her romance with Adam could be sabotaged.
S2/EP 16 - Independence Day
Joan feels that she's old enough to make her own decisions when she prepares to defy Helen's authority and go on an overnight trip with Adam.
S2/EP 17 - Shadows and Light
Joan makes a puzzling discovery about Stevie, and Kevin is offered a job in the TV-news biz.
S2/EP 18 - Secret Service
Joan debates whether to take the next step in her relationship with Adam, while also facing the consequences of being framed by God.
S2/EP 19 - Trial and Error
A school assignment gets uncomfortably personal for Joan when she's chosen to play the role of prosecutor in a mock trial based on the children's story “Jack and the Beanstalk.”
S2/EP 20 - Spring Cleaning
Joan throws her energy into spring cleaning, which leads to a discovery of someone in need. Kevin considers moving into his own apartment.
S2/EP 21 - Common Thread
Adam needs Joan to be there for him as a friend, but she finds it difficult to forgive and forget the hurt he has caused her.
S2/EP 22 - Something Wicked This Way Comes
Joan's seeing and talking to dead people, and Helen is left to question her own sanity after she too has a ghostly encounter.