Scooby-Doo! Mystery Incorporated - Season 1 Episode 23
When Fred's dad is being attacked by an unknown shadowy figure it's up to Scooby and the gang to get to the bottom of the mystery. Will they be able to, or will Fred have to give up mystery solving forever? And what does the puzzle piece Fred's dad possesses have to do with it all?
First Air Date : 2010-07-12
Last Air date : 2013-04-05
Runtime : 57 minutes
Genre : Animation, Mystery, Family
Cast : Frank Welker, Grey DeLisle, Mindy Cohn, Matthew Lillard
Crew : Derrick J. Wyatt (Art Direction), William Hanna (Characters), Joseph Barbera (Characters), Sam Register (Producer), Chul-ho Kim (Other)
Quality : 
Subtitles :
- Season 1 : Episode 12010-07-12
- Season 1 : Episode 22010-07-19
- Season 1 : Episode 32010-07-26
- Season 1 : Episode 42010-08-02
- Season 1 : Episode 52010-08-09
- Season 1 : Episode 62010-08-16
- Season 1 : Episode 72010-08-23
- Season 1 : Episode 82010-08-30
- Season 1 : Episode 92010-09-06
- Season 1 : Episode 102010-10-04
- Season 1 : Episode 112010-10-11
- Season 1 : Episode 122010-10-18
- Season 1 : Episode 132010-10-25
- Season 1 : Episode 142011-05-03
- Season 1 : Episode 152011-05-10
- Season 1 : Episode 162011-05-17
- Season 1 : Episode 172011-05-24
- Season 1 : Episode 182011-05-31
- Season 1 : Episode 192011-06-07
- Season 1 : Episode 202011-06-14
- Season 1 : Episode 212011-06-21
- Season 1 : Episode 222011-06-28
- Season 1 : Episode 232011-07-05
- Season 1 : Episode 242011-07-12
- Season 1 : Episode 252011-07-19
- Season 1 : Episode 262011-07-26
