90s Sitcom Shared Universe: Friends, Seinfeld, & More
13 July 2025

90s Sitcom Shared Universe: Friends, Seinfeld, & More

Did you know that some of your favorite 90s sitcoms like Friends, Seinfeld, and Mad About You, actually exist in a shared universe? It's true! While connected universes are commonplace now, thanks to franchises like the Marvel Cinematic Universe, it was a rare and delightful surprise to discover such connections in television shows decades ago. Let's dive into how these iconic shows are linked.

The idea of sitcoms crossing over or existing within the same fictional world wasn't always a given. However, subtle clues and character crossovers have revealed a surprising connection between three of the most beloved 90s sitcoms.

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The Big Three: Seinfeld, Mad About You, and Friends

The sitcoms in question are none other than Seinfeld, Mad About You, and Friends. Each of these shows, set in New York City, captured the essence of everyday life with humor and relatable characters. But what ties them together?

Seinfeld, often described as a "show about nothing," follows the daily escapades of Jerry Seinfeld and his quirky friends George, Elaine, and Kramer. Mad About You centers on the lives of newlyweds Paul and Jamie Buchman as they navigate the ups and downs of marriage. And of course, Friends chronicles the lives of six twenty-somethings as they navigate love, careers, and friendship in the heart of New York City.

These 90s sitcoms, while seemingly independent, a surprising number of connections that create a cohesive, shared universe.

Mad About You: The Unlikely Connector in the 90s Sitcom Universe

The connecting link between these shows is Mad About You. In one episode, it's revealed that Kramer from Seinfeld took over Paul's old apartment. Paul even mentions his neighbor across the hall, Jerry. This direct reference establishes a clear connection between Seinfeld and Mad About You.

Furthermore, Helen Hunt, who played Jamie in Mad About You, made a cameo appearance in Friends. In this crossover, Jamie mistakes Phoebe for her twin sister, Ursula, a waitress in Mad About You.

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These crossovers solidify the idea that Mad About You exists in the same universe as both Seinfeld and Friends, thus creating a shared universe for these three popular 90s sitcoms.

Recurring Actors and Shared Characters

Lisa Kudrow, known for her role as Phoebe in Friends, also played Ursula, Phoebe's twin sister, in Mad About You. This adds another layer to the shared universe concept.

While Courteney Cox played a different character in Seinfeld (one of Jerry's girlfriends), and there are other instances of actors appearing in multiple shows, the connection between Phoebe and Ursula remains a significant link. In Friends, Joey and Chandler even visit Paul's favorite restaurant and mistake Ursula for Phoebe. The universe of 90s sitcoms is full of interesting crossovers!

The Legacy of a Shared Universe

The shared universe between Friends, Mad About You, and Seinfeld is a fun fact that adds another layer of enjoyment to these already beloved shows. It showcases the creativity and interconnectedness within the television landscape of the 1990s.

While these 90s sitcoms may not have shared many direct storylines, the subtle connections and character crossovers create a delightful shared universe that fans continue to appreciate to this day. So, the next time you're watching Friends, Seinfeld, or Mad About You, keep an eye out for those subtle nods and connections that tie these iconic shows together.