After the death of their father, Matt and Jenny and their mother leave England for Nova Scotia only to encounter another tragedy- their mother dies of typhoid while at sea. The children fear that the captain will return them to England or else place them in an orphan's home in Montreal. They escape in Halifax but are falsely accused of theft. Adam Cardston comes to their rescue, offering to take them to their uncle's farm.
Cardston, helped by Matt and Jenny, races against time to save the life of a seriously injured lumberjack. The Tanners meet Kit, a young man of the wilderness who helps them survive a forest fire and save the life of the man with a broken leg. Lebelle: Yvon Barrett.
Matt and Jenny hitch a ride with a circus family, who are believed to be thieves and are being pursued by a man and haunted by series of mysterious accidents. Bellini: Cameron Mitchell.
Matt, Jenny and Kit help an Indian chief's adopted son search for his real parents. Takomis: Michael Ansara. Cokah: Lewis Dubrofsky. William: Ken James.
With Cardston's help. Matt and Jenny hope to find their lost relatives at a mysterious religious community. Reverend Hawthorne: Keenan Wynn. Pioneer Woman: Kay Hawtrey.
A wilderness survival test becomes reality when Jenny loses her way in the forest and Matt is trapped in an abandoned mine.
On the road, Matt, Jenny and Cardston meet a young homesteader who is about to give birth, and whose husband is a suspected deserter.
Kit helps a woman search for her husband, who has disappeared in Devil's Gorge. Samantha: Sharon Acker.
In search of a tree for a ship's mast. Matt, Jenny and an absent-minded sea captain lose their way in the woods. Captain Ramsbottom: Chris Wiggins. Cora: Tessie O'Shea.
Kit, Matt and Jenny help a trapper who fears that his former friend is putting a curse on him for marrying the woman they both courted. Jean Louis: Victor Desy. Fiddle Joe: Bob Vaillancourt. Simone: Muguette Moreau.
While Matt and Jenny are on their way to meet Kit, they hear strange, unearthly cries in the swamp. They lose their way while trying to solve the mystery. Joe Mosquodobby: Johnny Yesno.
In their further pursuit of the Tanner's relatives, Matt, Jenny and Adam Cardston visit a school-house and are introduced to the schoolteacher. She is overcome by Jenny's interest and intelligence and Mr. Cardston's worldly charms.
Matt and Jenny help a peddler when a pair of hoodlums try to steal his belongings and his performing bear. Barnabus Bletcher: Nehemiah Persoff. Clayton Ellison: Murray Westgate. Willie Bletcher: Jonathan Wise.
The Tanners and Kit stop at Kennebec Cliff and learn about the trouble a man and his wife have been having with a pack of wolves. Amos Crawford: Simon Oakland.
The sound of drums draws Cardston, Matt and Jenny to the site of a secret Indian ceremony. Cardston is intent on helping the Indian tribe in order to cure the chief's son. Shaman: Iron Eyes Cody. Chief: Gordon Tootoosis. Boy: Omi Craden.
Kit helps a young woman search for her father, a somewhat absent-minded wildlife photographer. Rosemary Davenport: Trudy Young. Cyril Davenport: Tony Van Bridge. Franz Von Poppel: Tony Kramreither. Hermit: Robert Christie.
A boy hopes to clear his father's debts by winning a horse race. Joey: Paul Lenard. Pete: John Ireland. Major Carlton-King: Paul Harding. Jimmy Junior: Tim Henry.
Matt meets Skiba, the evil bear of Indian legends that no man can kill. Oquaga: Chief Dan George. Shenango: Denis Lacrois.
Jenny and Cardston try to stop a shady book publisher from making off with a writer's latest manuscript. Harry Alfred Teasdale: Henry Beckman.
Cardston engineers a mock trial to scare a disreputable book publisher into mending his evil ways. Harry Alfred Teasdale: Henry Beckman. L.M. Galloway: Mary Pirie.
Kit, accused of murdering a slave trader, is to be tried by a "hanging judge." Judge Willoughby: Edward Andrews. Bart Egan: John Bayliss. Andrew Jones: Eugene Clark. Townswoman: Elira Creighton.
Kit, Matt and Jenny try to help a women's rights activist escape from a band of angry men out to tar and feather her. Martha Jane: Frances Hyland.
The threat of Matt and Jenny being split up materializes when Matt and Cardston are offered leading roles in a New York play by a beautiful actress (Dina Merrill).
Matt and Jenny are held prisoner by an evil-minded farmer who claims he's seen their relatives. Hezekiah Pike: Victor Buono. Zena Pike: Candy Kane. Simon: Ritchie Peirce.
Jenny and Cardston get involved when a young Scottish couple's marriage plans are stymied by the girls father, who refuses to forget an ancient feud between the two families. Lament: Richard Todd. Colin: Karl Pruner. Catherine: Laurie Waller.
Jake Winfield (Peter Graves) and his daughter Ann (Linda Thorson) are left behind when their wagon is unable to keep up with the wagon train.