The Mystery Files of Shelby Woo is a youth-oriented action mystery television series that ran on Nickelodeon between 1996 and 1998. A total of 41 episodes of 30 minutes each were produced. Episodes were taped at the now defunct Nickelodeon Studios in Orlando, Florida. Starring Irene Ng as the title character, the series revolves around the adventures of a young teenage girl who lives with her innkeeper grandfather and works as a non-sworn intern at the local police department where she helps out with odds and ends around the office. Occasionally an intriguing case comes to Shelby's attention, prompting her to apply her unique insight and enlist the help of her friends to solve it.
The Mystery Files of Shelby Woo (Season 4)
The Paul Revere Mystery (Episode 1)
Writer: Alan Goodman
Air date: 1998-09-06
Runtime: 30 min
Overview: Shelby is a suspect when someone steals a silver bowl made by Paul Revere himself.
The Spare Parts Mystery (Episode 2)
Writer: Suzanne Collins
Air date: 1998-09-13
Runtime: 30 min
Overview: Shelby has to find who has been stealing parts from cars being worked on at the school's auto shop.
The Toy Store Mystery (Episode 3)
Air date: 1998-09-20
Runtime: 30 min
Overview: A popular doll and its accessories begin to malfunction.
The Skin Deep Mystery (Episode 4)
Writer: Steve Purnick
Air date: 1998-09-27
Runtime: 30 min
Overview: Shelby goes undercover at a beauty pageant where mysterious accidents are occurring.
The Itchy Shorts Mystery (Episode 5)
Writer: Susin Nielsen
Air date: 1998-10-04
Runtime: 30 min
Overview: Someone has stolen the basketball team's money and put itching powder in their uniforms.
The Robot Mystery (Episode 6)
Air date: 1998-10-18
Runtime: 30 min
Overview: A brilliant inventor has been attacked, and some of his blueprints have been stolen.
The Haunted House Mystery (Episode 7)
Air date: 1998-10-25
Runtime: 30 min
Overview: Mrs. Epps believes her house is haunted. Shelby and Angie go back to the house with Mrs. Epps on Halloween to prove the house isn't haunted. Will they prove the house isn't haunted or will they discover that the ghosts are real?
The Big Cheese Mystery (Episode 8)
Writer: Carin Greenberg Baker
Air date: 1998-11-08
Runtime: 30 min
Overview: A bank robber wears a cheese costume from a popular children's show while committing the crime.
The Racetrack Mystery (Episode 9)
Writer: Matthew Salsberg
Air date: 1998-11-15
Runtime: 30 min
Overview: A race horse about to retire goes missing.
The Art Attack Mystery (Episode 10)
Writer: Heather Conkie
Air date: 1998-11-22
Runtime: 30 min
Overview: A new outdoor art exhibit has been trashed and the artist disappears shortly thereafter.
The Baseball Fan Mystery (Episode 11)
Writer: Peter Bakalian
Air date: 1998-12-06
Runtime: 30 min
Overview: Shelby investigates the disappearance of four valuable baseball cards.
The Mystery of The Mice That Roared (Episode 12)
Writer: John Boni
Air date: 1998-12-20
Runtime: 30 min
Overview: Shelby investigates the attempted sabotage of a family restaurant where Angie works, and tries to figure out who is trying to force the owners out of business.
The Jinxed Campaign Mystery (Episode 13)
Writer: Susan Kim
Air date: 1999-01-03
Runtime: 30 min
Overview: Shelby gets involved with politics when someone tries to get a mayor candidate to drop from the race.
The Moon Rock Mystery (Episode 14)
Writer: James Ponti
Air date: 1999-01-10
Runtime: 30 min
Overview: A rock from the moon is stolen from an exhibit at a space camp.
The Movie Star Mystery (Episode 15)
Writer: Dennise Fordham
Air date: 1999-02-07
Runtime: 30 min
Overview: When a detective movie is being filmed in town, one of the stars goes missing, and Shelby is on the case.
The Mystery Under Our Noses (Episode 16)
Writer: Alan Goodman
Air date: 1999-02-21
Runtime: 30 min
Overview: When the President of the United States is planning a visit, the itinerary is stolen from the police station.
The Train Mystery (Episode 17)
Writer: John Boni
Air date: 1999-02-28
Runtime: 30 min
Overview: An architect is thrown off of a train on a trip from Boston to Washington DC.
The Yearbook Mystery (Episode 18)
Writer: David Preston
Air date: 1999-03-14
Runtime: 30 min
Overview: Shelby and her friends investigate why page 86 is missing from most of the yearbooks.
The UFO Mystery (Episode 19)
Writer: Susan Kim
Air date: 1999-03-21
Runtime: 30 min
Overview: Shelby sets out to disprove a UFO sighting.
The Egg Mystery (Episode 20)
Writer: Suzanne Collins
Air date: 1999-04-04
Runtime: 30 min
Overview: In 1926, a priceless Faberge egg vanished from what later became the Easterly Breeze. 70 years later, Shelby's grandfather attempts to reenact the crime.

Seasons
Episodes 6
Episodes 7
Episodes 8
Episodes 20