Season 9 aired between 06 Apr 2011 and 30 Nov 2011, 21 episodes.
Episodes
E01
Mission Impossible Mask
06 Apr 2011
E02
Blue Ice
13 Apr 2011
E03
Running on Water
20 Apr 2011
E04
Bubble Trouble
27 Apr 2011
E05
Torpedo Tastic
04 May 2011
E06
Blow Your Own Sail
11 May 2011
E07
Spy Car (2)
18 May 2011
E08
Dodge a Bullet
01 Jun 2011
E09
Fixing a Flat
08 Jun 2011
E10
Planes, Trains, and Automobiles
15 Jun 2011
E11
Let There be Light
22 Jun 2011
E12
Paper Armor
29 Jun 2011
E13
Bikes and Bazookas
28 Sep 2011
E14
Newton's Crane Cradle
05 Oct 2011
E15
Walk a Straight Line
12 Oct 2011
E16
Duct Tape Plane
19 Oct 2011
E17
Flying Guillotine
26 Oct 2011
E18
Drain Disaster
02 Nov 2011
E19
Wet and Wild
16 Nov 2011
E20
Wheel of Mythfortune
23 Nov 2011
E21
Toilet Bomb
30 Nov 2011