The episode revolves around the concept of "promise rings" as symbols of future commitment:
A highlight of the episode involves Red and Kitty accidentally walking in on Eric and Donna while they are in the car. That 70s Show - Season 3Eps25
Season 3, Episode 25, titled "The Promise Ring," serves as the emotional season finale. Originally airing on May 22, 2001, the episode centers on the major relationship milestone—and subsequent crisis—between Eric Forman and Donna Pinciotti. Plot Summary The episode revolves around the concept of "promise
While the couples deal with relationship drama, Hyde and Fez spend the episode "cruising for chicks". Key Episode Facts titled "The Promise Ring