Ted mentions to Mary that his parents would only buy one of each toy and that he & Hal had to compete for it. But in the Episode #78 "Father's Day", we learn that Ted's father abandoned Ted as an infant, so shouldn't Ted have said parent??
Goof: The camera shows what is supposed to be the outside of Rhoda's apartment within the Victorian where she and Mary live, before panning inside to Mary and Rhoda. owever, from the inside, the leaves on the trees outside are red and orange, while the ones outside are green. Also, the position of the branches do not line up from outside versus inside.
As Mary and Rhoda are discussing plans for their upcoming trip to Mexico, Mary mentions that she knows a little bit of French. She also declines knowing any Spanish. In another episode, ("Divorce Isn't Everything") the exact opposite is mentioned, during a discussion involving taking a trip to Paris.
Continuity goof: In the last episode of the 1st season "The 45-Year-Old Man", Gordy says his wife is having another baby and is hoping for a boy since they already have a girl, but in this episode, he mentions telling his son about the facts of life.
Goof: In the second-to-last scene, when Bess is talking to Mary but facing the camera, a crew member's shadow passes very visibly over the armchair on which Bess is leaning.
Mary's apartment is slightly altered in appearance from the previous season. In addition to minor changes in furniture, there is an extra set of carpeted steps in the middle of the low shelves that separate the upper level from the sunken living room.
A new version of "Love is All Around" debuts with this episode and will be used for the remainder of the series' run.
According to this episode, Bess is in the 8th grade and has a boyfriend.
Pat Finley, who played Twinks in this episode, also played Sparkie earlier this season in "Divorce Isn't Everything".
This episode marks the first, but not the last, of Lou's marital woes coming in part because of his wife Edie's need for fulfillment and accomplishment in life, particularly as empty nest syndrome settles in.
Continuity Goof: According to this episode, Marie Slaughter is 7 months pregnant. But in "Just a Lunch," which aired only 2 weeks earlier, Marie is not pregnant.
In this episode, Richard Schaal played the role of Paul Arnell. In an earlier episode, Schaal played the role of Howard Arnell, Paul's brother.
Mary reveals in this episode that she lives four hours from her mother's house.
This episode features the famous shot of Mary hugging Lou, Murray, and Ted, accidentally crushing Ted's hat. It was featured on the opening credits starting with Season 2. This scene was updated and re-filmed for the credits starting with season four.
It is revealed in this episode that Mary's annual income the year prior was $8,000. That would have been roughly the median for women in 1970, depending on age and demographics.
This is the first MTM episode where the closing credits roll on top of an actual scene (Ted's acceptance speech in the middle of the newsroom as everyone rolls their eyes and walk away). This would eventually become standard sitcom practice two decades later, employed by Roseanne, The Drew Carey Show, Ellen, etc.
The "Tinker Award" that Lou gives to the newsroom staff at the end of the episode was presumably named after Grant Tinker, the head of MTM Enterprises and who was at the time Mary Tyler Moore's husband.
Mary and Lou discuss other stations in competition for the "teddies" and mention WCCO, which is a television station in Minneapolis/St. Paul that was the news ratings leader during the 1970s.
Continuity Error: Mary says that in high school she was head cheerleader, but just a few episodes earlier, she told Rhoda that she was never a cheerleader, but a pom-pom girl.
Mary Richards reveals her height as 5'7".