Season 1 (September 12, 1978 to May 15, 1979)
Note: This is the only season with Randall Carver as John Burns.- Like Father, Like Daughter: Alex approaches a broken phone paywall to get in contact with his estranged daughter.
- One-Punch Banta: Guest star Carlos Palomino challenges Tony for a match.
- Blind Date: Alex tries a hand on blind dates with the girl at the other side of the phone.
- Bobby's Acting Career: Bobby's self-imposed three-year deadline to get his big break is about to expire, and he scrambles for work.
- Come As You Aren't: Elaine has the chance of having an art meeting, but she's hesitant about inviting her fellow cabbies.
- The Great Line: Bobby helps John with "the perfect line" to pick up girls, but John ends up married.
- High School Reunion: It's Louie's 20th high school reunion, and he uses Bobby to impersonate him in front of his class.
- Paper Marriage: Latka is about to face deportation, so the cabbies fix a Citizenship Marriage for him. First appearance of Jim Ignatowski.
- Money Troubles: Alex tries to help John and his wife with a loan.
- Men Are Such Beasts: Tony wants to get rid of his new girl, but she now works at the garage to spend more time with him.
- Memories of Cab #804 (two-parter): The gang reminisces about their experiences aboard cab 804 (which is wrecked by John) while Latka attempts to fix it.
- A Full House for Christmas: Louie's scheming brother Nick comes home for the holidays, and Louie wants to get back at him on a card game.
- Sugar Mama: Alex gets acquainted to an old lady passenger.
- Friends: Bobby accidentally kills Tony's pet goldfish, and their friendship gets into a jeopardy.
- Louie Sees the Light: Louie resolves to make amends with God after "surviving" an exploratory operation.
- Elaine and the Lame Duck: The cabbies set up a nerdy Congressman (Jeffrey Tambor) with Elaine as a joke. However the date is a surprising success.
- Bobby's Big Break: Bobby lands a role in a soap opera and quits the garage.
- Mama Gravas: Latka's mom Greta comes to America and has a romance with Alex.
- Alex Tastes Death and Finds a Nice Restaurant: After being robbed at gunpoint, Alex quits driving cabs and ends up working as a waiter.
- Hollywood Calling: The garage is chosen as the location for a movie.
- Substitute Father: The cabbies have to look after Elaine's son as he has an spelling bee while she's out of town.
Season 2 (September 11, 1979 to March 13, 1980)
- Louie and the Nice Girl: Louie makes friends with Zena, the new candy machine replenisher. However, it might be that Louie is taking a liking to her.
- Honor Thy Father: Alex's father has a heart attack and is hospitalized, but he doesn't seem to care at all.
- Reverend Jim: A Space Odyssey: The gang finds Reverend Jim wandering around, so they resolve to make him a cabbie.
- Nardo Loses Her Marbles: Elaine begins to behave erratically as a result of overwork.
- The Reluctant Fighter: Tony is challenged by a top fighter, but he is hesitant to accept.
- Wherefore Art Thou, Bobby?: Bobby decides to coach a young actor who has just arrived at the garage.
- The Lighter Side of Angela Matusa: Alex meets his former "blind date" Angela after a few months, only to find she has lost a lot of weight.
- A Woman Between Friends: A pretty girl strains the friendship of Bobby and Tony.
- The Great Race: Louie challenges Alex to see who of them gets more money in one night.
- The Apartment: Latka mistakenly rents a very expensive penthouse, so the cabbies help him with a "rent party".
- Alex's Romance: Alex begins a romance with a failed actress. First episode with Jim as a regular.
- Latka's Revolting: Latka faces a call for arms as his homeland is torn by a civil war.
- Elaine's Secret Admirer: Elaine has been getting some letters lately, and she wants to find the author.
- Louie Meets the Folks: Louie visits Zena's parents looking for their approval.
- Jim Gets A Pet: Jim buys an aging racehorse who hasn't won a single race.
- Tony and Brian: Tony seeks to adopt a child, but he has to compete with a wealthy couple.
- Guess Who's Coming For Brefnish: Sparks fly when Latka meets Simka, a native from his country who applies as secretary for Mr. McKenzie.
- What Price Bobby?: Bobby might have his shot at fame when he becomes involved with a famous talent agent.
- Shut It Down (two-parter): The cabbies strike over Louie's unfair treatment. He agrees however to compromise with the condition he has a date with Elaine.
- Alex Jumps Out of an Airplane: After spending a week at a ski resort, Alex realizes he hasn't lived life at its fullest and decides to do parachute jumping.
- Art Work: The cabbies decide to bid for art at an auction.
- Fantasy Borough (two-parter): After Tony picks up Herve Villechaize as a passenger, the gang share their wildest dreams, from Latka switching places with Louie to Elaine dreaming of a Busby Berkeley-style musical number.
Season 3 (November 19, 1980 to May 21, 1981)
- Louie's Rival: Louie discovers that Zena is dating another man.
- Tony's Sister and Jim: Jim becomes friends with Tony's recently-divorced sister, to Tony's chagrin.
- Fathers of the Bride: Alex discovers he wasn't invited to his daughter's wedding.
- Elaine's Strange Triangle: The cabbies set Elaine up with a handsome businessman, who in fact is more interested in Tony.
- Going Home: Alex joins Iggy to Boston where his father wants to discuss inheritance matters,
- The Ten Percent Solution: Bobby trains Tony to be an actor.
- Call of the Mild: Alex, Tony, Bobby and Jim decide to spend a week in the woods, but a series of misfortunes have them scrambling for food.
- Latka's Cookies: Latka inherits a recipe for cookies from his late grandmother, the cookies becoming very popular among the cabbies, who get quite perky. However, he is unaware of the secret ingredient.
- Thy Boss's Wife: Mrs. McKenzie decides to get back at her husband by spending the night with no one other than... Louie.
- The Costume Party: The cabbies become autograph hounds, and decide to crash a yacht party allegedly attended by celebrities.
- Elaine's Old Friend: Elaine has Alex pose as her boyfriend to impress a high school friend of hers.
- Out of Commission: Tony is forced to hang up the gloves for good as he risks brain damage.
- Zen and the Art of Cab Driving: Iggy discovers his full potential as a cab driver.
- Louie's Mother: Louie sends his mother to a retirement home, but he soon begins to miss her.
- Bobby's Roommate: Elaine moves in with Bobby when she becomes unable to pay the rent for her home.
- Louie Bumps Into an Old Lady: An old lady sues the garage after Louie runs her over. However, Alex recognizes her as a con artist.
- Bobby and the Critic. Bobby confronts a newspaper critic who wrote a scathing review of him.
- On the Job (two-parter): The Sunshine Cab Co. goes under, so the gang is forced to get work elsewhere. One month later, they reunite at Mario's to tell their stories.
- Latka the Playboy: Unable to talk to women, Latka decides to create an alter-ego, an arrogant playboy who calls himself Vic Ferrari.
Season 4 (October 8, 1981 to May 6, 1982)
Note: Bobby appears in only three episodes, two held over from season three.- Jim the Psychic: Jim finds out he has psychic powers... and one of his predictions involve something terrible happening to Alex. Held-over episode.
- Vienna Waits: Elaine invits Alex to tour Europe with her. First episode without Bobby.
- Mr. Personalities: Latka begins to develop even more personalities, so Alex decides to seek a therapist for him.
- Jim Joins the Network: Iggy lands a job on television thanks to his psychic abilities.
- Louie's Fling: Louie has reconciled with Zena, but her friend/roommate manipulates him into having an affair.
- Like Father, Like Son: Alex and his father tangle over a young woman.
- Louie's Mom Remarries: Louie is furious when his mother announces her engagement to a Japanese man.
- Fledgling: Elaine helps an artist with agoraphobia. Held-over episode.
- Of Mice and Tony: Tony returns to the boxing scene by taking a promising young fighter under his wing.
- Louie Goes Too Far: Elaine catches Louie peeping on her, getting him fired.
- I Wanna Be Around: Louie locks himself and the cabbies in a "bunker" for a nuclear drill.
- Bobby Doesn't Live Here Anymore: In his final appearance, Bobby pays his former colleagues a visit as he is set to appear on a prime-time soap.
- Nina Loves Alex: A young cabbie develops a crush on Alex, and tries to loosen him up.
- Tony's Lady: Tony takes a second job as a chauffeur, and he end up having a fling with the woman he works for.
- Simka Returns: Simka decides to have a second chance with Latka, but is torn between him and his alter-ego.
- Jim and the Kid: Iggy befriends a wayward kid who squats at his place.
- Take My Ex-Wife, Please: Alex finds out that his ex has been dumped... and now she is dating Louie.
- The Unkindest Cut: The gang decides to avenge Elaine after she gets an ugly hairdo.
- Tony's Comeback: Tony attempts to become a boxer again, in spite of medical advice.
- Elegant Iggy: Elaine reluctantly takes Jim as an "escort" to an upscale party. Meanwhile, the conflict between Latka and Vic continues to escalate.
- The Wedding of Latka and Simka: After Dr. Joyce Brothers finally frees Latka from Vic, he is now ready to marry Simka. But first they need to prove their love, according to their national customs.
- Cooking for Two: After Jim's apartment is torn down, Louie reluctantly takes him as a boarder. Things quickly go up in flames—literally...
- The Road Not Taken (two-parter): Elaine gets a job offer from Seattle. The other cabbies reflect on their own missed chances. Last episode broacast by ABC.
Season 5 (September 30, 1982 to June 15, 1983)
Note: The show switches to NBC.- Love, Un-American Style (The Shloogel Show): Latka and Simka pair their fellow co-workers with blind dates.
- Jim's Inheritance: Iggy's father dies, leaving him with a large inheritance... which will be managed by his straitlaced brother Tom.
- Alex Goes Off the Wagon: After a weekend in Atantic City, Alex is bitten again by the gambling bug.
- Scenskees from a Marriage (two-parter): Latka and Simka's marriage hits the rocks when Latka sleeps with a female cabbie to keep from freezing. In accordance to tradition, Simka now has to spend one night with another man.
- Crime and Punishment: Louie accuses Jeff of stealing parts, although Louie is the actual culprit.
- Alex the Gofer: Alex gets a job as a gofer under a couple of arrogant producers. Louie sees him facing such humiliation... and defends him.
- Louie's Revenge: Louie plans to get back at the girl who broke up his relationship with Zena.
- Travels with my Dad: Tony decides to join his fisherman father for some "quality time", getting to know him better.
- Elaine and the Monk: Elaine falls for Simka's cousin, a monk who has one week off from his vow of silence.
- Zena's Honeymoon: Louie is devastated when Zena announces her marriage. It's up to Alex to convince him to bury the hatchet.
- Get Me Through the Holidays: The gang has to endure Alex's ex-wife, who gets more depressed than usual around Christmastime.
- Louie Moves Uptown: Louie considers moving to a co-op... which rejected Penny Marshall as a tenant.
- Alex's Old Buddy: Alex reunites with his aging dog, which hasn't too much time left.
- Sugar Ray Nardo: Elaine's son becomes interested on boxing, in spite of Elaine's opposition.
- A Taxi Celebration (one-hour): Danny DeVito hosts a compendium consisting of the series' most notable moments.
- Alex Gets Burned by an Old Flame: Alex begins a fling with an old girlfriend of Jim's.
- Louie and the Blind Girl: Louie panics when his blind girlfriend undergoes surgery to regain her sight.
- Arnie Meets the Kids: Elaine's boyfriend Arnie is not well accepted by her kids, so he decides to bribe them.
- Tony's Baby: Just when he is about to make his comeback, Tony gets the news that his girlfriend is pregnant.
- Jim's Mario's: Iggy decides to buy the cabbies' hangout with permission from his brother. However, he runs into trouble when he tries to sell alcohol without a license.
- A Grand Gesture: Jim decides to give one thousand dollars to every one in the gang, on the condition they give it to someone they feel needs it.
- Simka's Monthlies: Simka is about to become an American citizen, but her pre-menstrual syndrome begins to mess with her.