Season 42
Episodes
1 Failure to Launch Sep 26, 2011 
2 Rocco's Boat Sep 27, 2011 
3 The Bubble Fest Sep 28, 2011 
4 Observe, Record and Annoy Sep 29, 2011 
5 Shape-O-Bots Sep 30, 2011 
6 Latinization of Marco Oct 4, 2011 
7 Humpty Dumpty's Big Break Oct 7, 2011 
8 Goodbye Pacifier Oct 11, 2011 
9 The Good Birds Club Oct 17, 2011 
10 Big Bad Wolf Huffs and Puffs Slimey Oct 18, 2011 
11 Baby Bear's doll Oct 21, 2011 
12 Elmo and the Butterfly Oct 28, 2011 
13 Siblings Nov 9, 2011 
14 Letter 'R' Mystery Nov 11, 2011 
15 Cast Iron Cooks Nov 18, 2011 
16 Getting Centered Nov 25, 2011 
17 A Prince of a Frog Dec 1, 2011 
18 Elmozilla Dec 15, 2011 
19 Super Maria Dec 26, 2011 
20 The Flood Dec 29, 2011 
21 Falling Leaves Dec 30, 2011 
22 The All Our Senses Club Jan 4, 2012 
23 What's in Big Bird's Nest? Jan 19, 2012 
24 Rhyming Block Jan 25, 2012 
25 Furry Potter Feb 2, 2012 
26 Elmo Wants to Have a Ball Feb 6, 2012