Inconsistencies

"This is the Army, Mrs. Madison" (77) is a flashback to when Oscar and Felix were in the army together. Also, in "Fat Farm," Oscar mentions being in the army with Felix. In "The Odd Couple Meet Their Host" (35) Oscar mentions an award Felix won in the army in World War II, implying that he knew Felix then. But in "The Roy Clark Show" (109) an old army buddy of
Oscar's, named Wild Willie Boggs comes to visit. If Felix was in the army with Oscar, he should have known Wild Willie too. And in "Laugh, Clown, Laugh" (113) Felix tells Oscar that he knew Richard Dawson in the army. If Oscar was in the army with Felix, he should have known Richard Dawson too. Also, "Let's Make a Deal" (67) implies that Oscar and Felix were not in the army together. "Partner's Investment" (43) also implies this.

In "Being Divorced is Never Having to Say I Do" (36) Blanche's maiden name is Jefferson, but in "This is the Army, Mrs. Madison" (77) it is Somers.

In "The Flying Felix" (86) Felix is afraid of flying in an airplane. But Felix must have flown before, such as in the flashback for "The Odd Holiday" (75) and when he was in the army (see inconsistency #3).

In "The Big Brothers" (9) Felix says that he was the youngest in his family, so he never got to be a big brother. In "Shuffling Off to Buffalo" (88) we meet Felix's brother Floyd. Floyd refers to Felix as "Big F," while Felix refers to Floyd as "Little F." This implies that Felix is the older of the two brothers.

In "This is the Army, Mrs. Madison (77) Felix tells Oscar that he was allergic to stuffed animals as a kid, so he never had any. But in "The Insomniacs" (90) Felix tries to overcome his insomnia by sleeping with a teddy bear that he'd had as a kid. (Of course, since he had kept the teddy bear in its original cellophane wrapping, his allergies wouldn't have mattered, but it doesn't negate the fact that Felix said that he hadn't had any stuffed animals.)

In "Bunny is Missing Down by the Lake" (18) Felix says that his first paying photography job was for his high school, and later he started photographing for junior colleges, which is how he met Gloria. But in "Speak For Yourself" (40) a flashback shows us that Oscar introduced him to Gloria.

In "Speak For Yourself" (40) a flashback from the early 1950s shows Oscar introducing Felix to Gloria. But in "Gloria, Hallelujah" (48) Oscar says that he has known Gloria for 10 years (which would be since the early 1960s).

In "The Jury Story" (4) Oscar and Felix tell the Pigeon sisters how they met on a jury seven years before, which would have been 1963. But in "Oscar the Model" (8) Felix says that he has known Oscar for 15 years, which would have been since 1955. Then in the show opening for the second season, a narrator says that the two were "childhood friends."* In "Speak for Yourself" (40) Oscar tells Murray that he met Felix in the early 1950s.
*In some of the later show openings, the word "childhood" was removed from the narrator's speech.

In "The Odd Couples" (54) Oscar and Blanche are looking at their wedding photo, and Oscar remarks that he never returned the tuxedo. But in "This is the Army, Mrs. Madison" (77) we see that because Oscar married Blanche while he was in the army, he wore his army uniform at the ceremony, not a tuxedo. Also, Oscar had get back to camp in time for inspection, and rushed off before any pictures were taken. So Blanche had her picture taken with Felix, as a gag.

In the opening monologue to the show, the narrator says, "Some time earlier, Madison's wife had thrown him out, requesting that he never return." This implies that Oscar left the apartment, and that his current apartment is a different one. But all flashback episodes from before and during Oscar and Blanche's marriage show the same apartment that Oscar and Felix still live in.

In "The Odd Couples" (54) we find out that Oscar never told his mother that he and Blanche were divorced (his mother finds out at the end of the episode). But in "The Oddyssey Couple" (68) Oscar mentions that his mother has been bugging him to get a new girlfriend ever since the day he became divorced, when he had been standing on the steps at City Hall.

In "Password" (58) Felix says that he has a home version of the Password game in his car. But in other episodes, it is clear that he does not have a car, because he always takes a bus, subway, or taxi. And in "The New Car" (76) it is apparant that neither Oscar nor Felix have have owned a car in a long time, because they had no idea how much trouble it was. (Oscar did own a car at least once - in episode 76, he says that this is the first car he's owned since Blanche won his old one from a judge.)

In "You Saved My Life" (41) Felix gives Oscar a big picture of him saying "Thanks!" as one of many thank you gifts for saving his life. But at the beginning of "Two on the Aisle" (106) Oscar is seen throwing darts at the same picture, and he says that he got it as a thank you from Felix for letting him stay at his apartment when he got divorced.

In "The Blackout" (13) the super in Oscar and Felix's building is named Lambredi. In "Felix's First Commercial" (55) the super, still played by the same actor, is now named Harvey Faffner. In another episode, a character named Monroe Hernandez appears. Monroe is said to be the super's son, except Monroe is Puerto Rican and Lambredi/Faffner is not. Also, Oscar refers to Monroe's father (the super) as Hector.

A few episodes (plus the Odd Couple play) mention that Oscar and Felix live on the 11th floor of their apartment building. In "Gloria, Hallelujah" (48) Oscar mentions that Miriam lives upstairs from them. And in "The Exorcists" (82) Miriam asks Felix if he is "coming up later." But in "New York's Oddest" (91), while Oscar and Felix still live on the 11th floor, Miriam says that she lives on the 8th floor. (Of course, it's always possible that she moved to another apartment in the same building.)

According to the play/movie, Oscar was the first of the two to get divorced (the script says he had been divorced for 6 months). While Oscar, Murray, Vinnie, Speed and Roy were playing poker, Felix came to the apartment, having just been thrown out by his wife, and not knowing where else to go. This is even mentioned by Murray in "Gloria Moves In" (71), and by Vinnie in "Where's Grandpa?" (42). But in "The Odd Holiday" (75) a flashback tells about a vacation that Oscar and Felix went on with their wives, during which Gloria told Felix that she wanted a divorce. This contradicts the entire premise of the play in which Oscar, who was already divorced, invited Felix to stay with him, because he couldn't stand living alone. (How could Oscar have invited Felix to live with him if he was still married to Blanche?!)