After discovering Marge's diploma, Homer recounts the time he gave up his dreams of being a musician just to put Marge through college — until Marge breaks Homer's heart and falls for her professor.
- Bait-and-Switch Comment: Homer brings two coats and two pairs of gloves and tells Bart and Lisa they'll keep them warm. He then throws the coats and the gloves at the fireplace.
- Be Careful What You Wish For: Frustrated with Marge spending a lot of time with her professor, Homer tells her that she should go with him. Little did he know that Stefane was within earshot and agrees to take Marge.
- Continuity Snarl: Besides Marge's personality (which a small, but vocal minority have cited as the reason they despise this episode), the main problem with this episode is the careless retconning of Homer and Marge being young and childless in the 1990s and the forced jokes about 1990s pop culture.
- Devoted to You: Even though Marge was cruel to him and left him for Stefane, he still loved her and sung a heartbroken song about her, mentioning her by name.
- Faux Yay: When Moe got caught trying to steal a patron's wristwatch, he claimed he was trying to flirt. To Moe's horror, his "feelings" were reciprocated.
- I Need a Freaking Drink: Subverted. Homer goes to Moe's for a drink, only to discover that Moe is offering cigars.
- Jerkass Marge's college professor, Stefane August. He manipulates Marge into dumping Homer for him and acts like he's a revolutionary feminist, but really he's just a jerk who would sleep with one of his students.
- Mistaken for Junkie: Marge unintentionally destroys an insulin syringe, thinking that Homer was taking narcotics and was dying from an overdose.
- The '90s
- Second-Act Breakup: The third act focuses on Marge being with Stefane and Homer going through a deep depression.
- Shout-Out: The title is an allusion to That '70s Show.
- Student Teacher Romance: The whole plot revolves around Marge being involved with one of her professors.
- Ungrateful Bitch: Marge was at her worst in this episode, what with ditching Homer for her professor when Homer was paying for her tuition by working a job he hated.