Lines Of Scary Trail

Lines Of Scary Trail is the twelve episodes of season three of ''Scooby-Doo! Mystery Force.''

Premise
Karl tells the rest of the stories of his past to Mystery Inc

Synopsis
Karl is done with the company today as Sandra Florence will take over the weekend. Knotts Company is doing well but Karl is not happy that he has PTSD over something as he doesn't. He goes home feeling not in the right place but has to look after his kid and Mystery Inc.

Karl goes home to his wife Shen Devine and Rachel Devine as he feels that a lot of work pays off but it's not done. His company is making a lot of money as he worried about forces that will take it down because of helping with his friends. Karl's mother, Eda Devine who knows a lot about his son's job as Shen and Rachel go to the other room as they don't wanna know. Karl opens the door as it turned out to be Mystery Inc.

Karl wants to know how they got here as Fred uses cameo for the Mystery Machine so that no one will discover. Daphne was talking to herself as there are no mysteries but she loves but bored without it. Velma wants to know about Karl's as she one part that she sees but doesn't tell as she trusts him. Karl decided to his early life and how he became what he is now as he met Mystery Inc as Karl's mother found it interesting.

Past, Eda was in a band called Helix Girls before the Hex Girls was inspired by them. Daphne is shocked as her uncle loved that band as she wants to know why did she stop. Eda with Jojo and Chaos are with Eda in the band as they been a lot of tours since they were teenagers. The first time they been attack was a masked Gremlin on stage as Mystery Inc shocked about mysteries from the 80s before they were born. Helix Girls wanted to get out of here but Eda decided to not give up as she tactics like when they were kids to play with gadgets to stop monsters. Eda stops the Gremlin as it turned out to be a hater. Eda doesn't listen to them as she decided to become a mystery solver as well when they not going on tour which shocked Mystery Inc as Daphne knows it runs in the blood.

Helix girls split up after Eda gave birth to Karl, as turned out the decision is clear. Eda divorced her husband when Karl was 3 as it left him scared but Eda keeps his child. Karl wanted to be an artist but his mother wants to find a better job than that as Karl wants to be himself. At the age of 5, Karl's mother returns to the band for a reunion they went on tour 8 years making new albums until they split up for good this time. Karl was getting better a teenager but being bullied a lot by Terrick and other that Velm was about to tell as Eda keeps it as a secret.

After high school is finished, Karl fell in love with Shen her highschool sweetheart. He got better as became the leader of the Knotts company at the age of 18 as he created it. He made a lot of money for profit for selling scrap to make it a lot of money to products and stuff. He married Shen at the age of 21 as they been married for 10 years as Daphne is shocked about this one. Karl admits to Mystery Inc that he was solving mysteries too like his mother as he spied on them but was no match as Mystery Inc shows him how it's done.

Shaggy remembers that when they first met was when they were kids as Daphne knows how they were. Karl asks them about a Mystery as he was wearing a mask but Daphne once said that everybody not a monster with a mask. Daphne knows Karl uses it to be cool as he is right. Since Mystery Inc hit teen as Karl got less interest but as they towards being the age of 18. Karl has chances but failed as he admits that he was spying on Mystery Inc as it outraged them. Fred wasn't happy about it he admits he was stupid about it.

Karl decided to use gadgets and tools to find Mysteries as he uses GPS to track down before Mystery Inc does. He tracks down Iron Freak at 3 AM as he thought Mystery Inc sleeps at that time. They laugh as Shaggy found this funny as he chased them down as he Iron Freak chase down Mystery Inc. He captures as they saw him as Daphne recognized his mask as it was Karl. He unmasked him as it turned out to be Kellar who wanted to steal a lot of jewelry as he about the punch him but Mystery Inc stops him as he resists by the gang.

Present. Daphne reminds him not to use violence for Mysteries but to do it in a different way like running way, eat food, and solving traps. They learn the truth as Mystery Inc feels for him as they vow to help Karl to defeat Skeleton Freak once and for all. Karl insists.

Characters
Main characters: Supporting characters: Villains: Other Characters:
 * Mystery Incorporated
 * Scooby-Doo
 * Shaggy Rogers
 * Daphne Blake
 * Fred Jones
 * Velma Dinkley
 * Karl Devine
 * Gremlin (First Appearance) (Past)
 * Terrick (Past)
 * Iron Freak (Past)
 * Keller (First Appearance) (Past)
 * Sandra Florence
 * Knotts Company
 * Shen Devine
 * Rachel Devine
 * Eda's Husband (Past)
 * Eda Devine (Past And Present)
 * Helix Girls (Jojo And Chaos) (First Appearance)
 * Police

Locations

 * Coolsville

Notes/trivia

 * Gremlin is similar to Gremlins movie as Frank Welker voiced Gizmo
 * Eda and Daphne both voiced by the same voice actress
 * Karl has been spying on Mystery Inc since they had the Mystery Machine
 * Karl first met Mystery Inc when they were kids
 * Eda was part of a band called the Helix Girls with Chaos and Jojo

Miscellaneous

 * Disguises:
 * Traps:
 * Clue:
 * "Zoinks" count: 2
 * "Jeepers" count: 1
 * "Jinkies" count:
 * "Hold The Phone" count:
 * Running Gag: "Let's split up"