|Airdate:||October 16, 2009|
|Storyboard Artist(s):||Stephen Hillenburg|
|Supervising Producer:||Paul Tibbitt|
Sandy's Diary is a fan-fiction upcoming episode from Season 9.
Sandy's new diary makes SpongeBob and Patrick wonder what it holds.
- When Sandy shows SpongeBob and Patrick the front cover, SpongeBob doesn't have a tie.
- The title card music is the same as Ditchin'.
- When SpongeBob tells Gary that he will be back in a few minutes, Gary's eyes are orange.
- Also, when Sandy is showing SpongeBob and Patrick the front cover, the flowers on Patrick's shorts flicker blue for a fraction of a second.