For this fourth season the writers framed a lot of shows around flashbacks and recollections, which frankly are some of the series' weakest episodes. However, there are still a few strong episodes that help to make up for the weaker ones. "Cleanliness is Next to Impossible" is a classic episode that has the roommates in a role reversal, as Oscar all of a sudden becomes a neat freak when a date is turned off by his slovenliness. "Maid for Each Other" has Felix going on strike, Oscar bringing in junk food, and Felix hiring a cleaning woman to help around the house.

Like a lot of 1970s series, this season of The Odd Couple featured quite a few famous and semi-famous guest stars. Let's Make A Deal host Monty Hall, Playboy's Hugh Hefner, tennis players Billie Jean King and Bobby Riggs, Dick Clark, dancer Edward Villella, former Detroit Lions star Alex Karras, singer Jaye P. Morgan, DJ Wolfman Jack, opera star Marilyn Horne, and actors John Byner, Teri Garr and executive producer Garry Marshall make appearances.

Here's a rundown of the 22 episodes presented on four DVDs on The Odd Couple - The Fourth Season DVD Set.

1. "Gloria Moves In" - Felix's ex-wife is having her house painted, and when Felix offers her a place to stay he gets his hopes up for reconciliation, driving Oscar and Gloria (Janis Hansen) crazy in the process. A surprisingly weak season opener.

2. "Last Tango in Newark" - Felix drags Oscar to a ballet appreciation dance, and Felix takes control after dancer Edward Villella is late for a performance of Swan Lake. This episode features the humor Randall and Klugman were so skilled at delivering.

3. "Odd Decathalon" - Spurred on by Oscar's lower insurance rates, Felix challenges Oscar to a competition to determine who's in the best physical shape.

4. "That Was No Lady" - Felix is smitten with a woman who turns out to be the wife of an extremely jealous NFL football player. Former Detroit Lion and future Webster star Alex Karras guest stars.

5. "Odd Holiday" - A flashback episode that tells the story of how Felix, Oscar, and their wives took a vacation together in an attempt to save Oscar's marriage.

6. "The New Car" - The roomies win a car in a radio contest, but the real hassle is finding someplace to park. Dick Clark guest stars as himself.

7. "That is the Army Mrs. Madison" - Another flashback episode tells the story of why Oscar isn't in his own wedding picture.

8. "The Songwriter" - When Oscar dates Jaye P. Morgan, Felix is certain he can write a tune for her next show. Elinor Donahue guest stars as Felix's girlfriend Miriam Welby and Wolfman Jack appears as himself.

9. "Felix Directs" - Felix decides to make a documentary about Oscar, and attracts the attention of a real producer.