It's bye-bye love for Blossom when a guy she's been yearning to see again tells her he's found someone else.

Two aliens in a flying saucer (voices of Joey Lawrence and Michael Stoyanov) choose the Russo home as the site for their observations of earthling behavior, particularly their susceptibility to the seven deadly sins, which are illustrated in encounters between the various characters. (This being a family sit-com, sloth gets the most airtime.)

Blossom and Anthony scheme to fix up a lonely Buzz with Anthony's cantankerous EMT partner Mrs. Peterson; meanwhile, Joey takes notes from Nick on a school project.

Nick tries to keep the kids away from his Disneyland job as an Elvis impersonator; Blossom gets jealous when she sees Vinnie with his cousin.

Blossom, Joey and Six discourage prospective buyers of the house, while Shelly and baby Nash plan to move back east.

Nick hopes sparks will fly when Blossom agrees to go out with the son of his old pal (who turns out to be happily gay); trapped by a flash flood, Joey and Six check into a hotel room together.

Everyone has a date except Joey and Six, who spy on Blossom and Vinnie.

Blossom decides to have sex with Vinnie, but he refuses; then she learns he is in a coma after a motorcycle accident.

Blossom gets drunk on spiked punch at a frat party and wakes up nude in a stranger's bed; Rhonda moves in with Anthony while her apartment is fumigated; Joey gets a gorgeous math tutor.

Blossom's mother reflects on her breakup with Nick while reading a letter from Blossom that focuses on her broken relationship with Vinnie.

Blossom becomes bitter when she realizes that Nick is in love with Carol; Joey finally has sex with his new girlfriend but worries that it will ruin their relationship.

Blossom makes a video for the unborn baby of Anthony and Shelly to introduce him or her to the Russos' world; meanwhile, a veteran gives Joey the rookie treatment.

Blossom is assaulted by her date, a popular football star, when she tries to fend off his aggressive advances.

Blossom and Six find a marijuana cigarette, then Blossom loses it in the house, where it's found by Nick, who wants to weed out the dope the joint belongs to.

Blossom is paired with a tough guy for a household management class exercise and targeted by his girlfriend. Nick is interviewed for his old high school newspaper by a former classmate. Anthony fears falling off the wagon because of drugs he's given for toothache.

Blossom records her family on video; Joey becomes suspicious that he was switched at birth.

Nick encounters an old friend; Blossom and Vinnie becomes closer after he asks her to the prom; and Joey and Anthony have a close encounter with a UFO.

The family gathers to watch the student films they have made through the years.

Joey proposes to Melanie; Nick decides to sell the house when Carol discovers she is pregnant; Blossom gets her first real job.

As Blossom records a video diary entry, she hears her parents arguing. Then they tell Blossom they have an appointment with the family lawyer. Blossom daydreams about what will happen when her parents divorce.

Blossom blames herself for getting tricked into a date for the homecoming dance with a school geek. Joey wants to get his driver's license.

Blossom gets a crush on Steve, who suddenly shows interest in Six; Anthony worried his past drug problems will ruin his job interview.

Joey has a deadline for a story about himself, but is continually distracted by fantasies about beautiful women; Blossom is upset when Vinnie wants to go out with his ex-girlfriend.

Blossom and Six ponder the passage of time; Joey's too nervous to open a college letter of acceptance; Anthony pops the question to Rhonda; Nick learns his date comes with strings attached.

Blossom refuses to attend the senior prom when she learns Vinnie is not a virgin; meanwhile, Joey escorts a pregnant girl.