The Amazing World of Gumball: Season 1 Episode 13
The Mystery
Gumball decides to investigate when his class finds Principal Brown wrapped up in toilet paper, shaved and, covered in green paint, or else face detention.
1 - 1The DVD May. 03, 2011- 1 - 2The Responsible May. 09, 2011
- 1 - 3The Third May. 16, 2011
- 1 - 4The Debt May. 16, 2011
- 1 - 5The End May. 23, 2011
- 1 - 6The Dress May. 23, 2011
- 1 - 7The Quest May. 30, 2011
- 1 - 8The Spoon May. 30, 2011
- 1 - 9The Pressure Jun. 06, 2011
- 1 - 10The Painting Jun. 13, 2011
- 1 - 11The Laziest Jun. 20, 2011
- 1 - 12The Ghost Jun. 27, 2011
- 1 - 13The Mystery Jul. 11, 2011
- 1 - 14The Prank Jul. 18, 2011
- 1 - 15The Gi Jul. 25, 2011
- 1 - 16The Kiss Aug. 01, 2011
- 1 - 17The Party Aug. 08, 2011
- 1 - 18The Refund Aug. 15, 2011
- 1 - 19The Robot Aug. 22, 2011
- 1 - 20The Picnic Aug. 29, 2011
- 1 - 21The Goons Sep. 05, 2011
- 1 - 22The Secret Sep. 26, 2011
- 1 - 23The Sock Oct. 03, 2011
- 1 - 24The Genius Oct. 10, 2011
- 1 - 25The Poltergeist Oct. 17, 2011
- 1 - 26The Mustache Nov. 21, 2011
- 1 - 27The Date Nov. 28, 2011
- 1 - 28The Club Dec. 05, 2011
- 1 - 29The Wand Jan. 24, 2012
- 1 - 30The Ape Jan. 31, 2012
- 1 - 31The Car Feb. 07, 2012
- 1 - 32The Curse Feb. 14, 2012
- 1 - 33The Microwave Feb. 21, 2012
- 1 - 34The Meddler Feb. 28, 2012
- 1 - 35The Helmet Mar. 06, 2012
- 1 - 36The Fight Mar. 13, 2012