Herman and Jay go undercover to get a story on a princess, but Herman soon falls in love with her.
Patti invites Doug over for dinner with the rest of the gang and Doug is thrilled. It's a dream come true for Doug until Patti tells Doug she will be serving liver and onions (one of Doug's most hated foods). Doug tries everything (including hypnosis) to overcome his fear, and believes he's ready to eat the liver with Patti.
While Jessica is in Carmel, California, consoling a well-known playwright haunted by his wife's suicide, another family member is murdered.
Bingo wears a false beard and pretends to be a Bolshevik to impress his latest love, and Aunt Dahlia gets Bertie to become an art thief in order to convince a writer to print her story in Milady's Boudoir.
An exchange student from Yakestonia named Fentruck Stimmel comes to live in Bluffington and attend the Bluffington School. But after Fentruck asks Doug to help him write a letter, Doug begins to suspect that the new kid may have eyes for Patti.
Roger invites everyone over to his house except for poor Doug, who begins to feel left out. Doug later imagines himself as Quailman battling Dr. Klotzenstein, the mad scientist who turns all Bluffington citizens into mindless zombies with his zombie chips. Doug then faces Roger at his trailer to discover he has organized a one year anniversary party for Doug.
While Rose undergoes severe surgery, the girls try to entertain themselves with fond memories and laughter, only for Rose's daughter Kirsten to walk in on them enjoying themselves! Kirsten is spiteful of them and does not allow them to visit Rose. Kirsten visits Rose, who is near knocked out, and try to have a conversation...very comically as poor Rose is not altogether. With Rose going into surgery, Kirsten reconciles with the worried girls. At last, Rose is released and they all throw a surprise welcome home party for our lovable St. Olafian!
Siblings volunteer to carry Frankie and Mitch's embryo; Teddy may have to hire an ex-convict; Alex gets hooked on a soap opera.
Darkwing's TV producer feels that Darkwing's TV show needs a new gimmick in the form of a spin-off character, which might really be Darkwing's replacement.
Forced to work on her boring history assignment, Gosalyn dozes off, and begins sleepwalking. She dreams herself with AstroDuck, a television show character, trying to find ""The Fountain Of Knowledge"". While she is learning about famous explorers in her dreams, Megavolt uses her as bait to trap and kill Darkwing in the real world.
Bushroot creates a formula intending to create an intelligent plant friend, and Gosalyn ends up sampling it. Now Darkwing has a limited amount of time to find a cure before Gosalyn, half-slime, half-duck, melts into a pile of goo.
Laura sees red when Urkel, Eddie and Waldo appear on Dudes, a TV dating show that Laura claims is sexist; Carl's birthday gets little attention from his family.
The new boy at school seems to have something under his skin, in fact he is a merman.
Nick investigates two mysterious barn fires that have happened recently. A young woman is also assaulted in a barn by her new boyfriend. The woman is persuaded by her friend, Sandra Murry (Alan Maskell's girlfriend) to report him to the police. It turns out that the woman's boyfriend is also the arsonist responsible for the barn fires. Meanwhile a local woman's horse keeps escaping from it's field and Nick is concerned that it will cause an accident. Kate has another argument with Ferrenby when she puts the unmarried Sandra Murry in touch with the family planning Clinic over birth control. And Greengrass gives Nick a tip-off about a poaching gang and when to catch them. The police organize an operation to catch the poachers, they catch a couple, only later to hear from Lord Ashfordly that a bigger gang cleared the river of fish further along.
The real murdered winds up murdered himself, which doesn't help Matlock's client much...not only that, but there's a real estate scam looming in the wings that also affects the case.
To help commemorate the anticipated breaking of Joe's old high school strike-out record, Joe's old coach coerces him to fly him and his star player to the game. But when heavy fog prevents his landing on time, some question whether his concern was safety or for his own high school record.
The new owner of Gary's Olde Towne Tavern lack a sense of humor and respond badly to Cheers' latest prank.
Theo prepares to graduate from New York University. An elated Cliff continues to invite additional people to the ceremony, despite the fact that Theo only has a limited number of tickets. As Theo graduates from NYU, Cliff remembers how a 14 year old Theo received D's in 9th grade and had no desire to attend college at all. Denise telephones and reveals that she is pregnant. Olivia leaves to join Denise and Martin in Singapore.
Mullaney works with a feisty young prosecutor when he takes an out-of-town assignment as the lead prosecutor in the case of a missing woman presumed murdered by her co-worker during a theft from the bank where they both worked; Markowitz represents a condom manufacturer whose flag-emblazoned wares were seized by Customs under federal obscenity laws; Becker's representation of a woman with Alzheimer's whose daughter is vying for conservatorship rights with her mother's much-younger new husband gets torpedoed by Frank Kittredge when he leaks Gwen's pillow talk about the case to the woman's daughter, with whom he's also having an affair; Zoey wonders about the future of their relationship when Jonathan considers whether to accept the offer of a short-term appointment to the city council that could lead to a long-term future in politics.