The kids dish advice on a marriage proposal and mending a broken heart, then help Candace Cameron Bure of "Fuller House" plan a big surprise.
As the campus braces for Rikki Carter's speech, Sam and Lionel piece together the clues they've gathered on the secret society known as Order of X.
Gabe finally gets a chance to interview Sam for his documentary, but they both have trouble sticking to their promise not to make things personal.
Donald is dragged into a feud between Scrooge and Zeus, while Dewey and Webby search for an artifact that may provide the truth about Dewey’s mother.
While party-hopping on Pride Night, Lionel struggles to make small talk with strangers and decipher mixed signals from Silvio.
Everyone is forced to deal with some major changes at Boxmore.
Wanda Sykes wants to know how to tell the truth without hurting someone's feelings, while handsome Ben fears people can't understand his French accent.
KO tries to help a hero in need and ends up needing some help of his own.
Lionel puts his fledgling romance in jeopardy as he teams up with Brooke to hunt down @AltIvyW's identity for an exposé.
After Billy Eichner stops by for pointers on persuading people to call instead of text, the kids weigh in on a hair makeover and wearing a hijab.
Mr. Gar brings in some team building experts to help KO, Enid and Rad.
Fed up with the pranks pulled by her "Empire" co-star, Taraji P. Henson asks for suggestions on payback. The kids also offer financial advice.
"Modern Family" star Julie Bowen receives expert advice from the adorable peanut gallery on ways to stop embarrassing her sons when she's having fun.
A band of armed strangers tries to extract information from Patrick. Rasmus begins to unravel in the wake of a grim discovery.
Simone and the others set out for Apollon headquarters in Sweden, but their trek through Copenhagen is fraught with peril.
Jealousy flares in Martin and Beatrice. Simone and Rasmus meet a doctor with a connection to their father. A memory haunts Jean.
After six years of isolation, Simone and Rasmus encounter other survivors. To stay alive, Simone must prove herself useful to the group.
The group arrives at Apollon headquarters, where Simone learns startling truths about the virus, her father and Rasmus.