Elmo and Tango are playing fetch in the dog park, and when Abby comes to play with Elmo and Tango she sets her wand down to throw the stick, but when she turns around, the wand is gone.

While Elmo is drawing a picture of Tango some leaves blow into Tango's fur; Elmo puts the drawing down to remove the leaves, and the drawing is gone; Elmo and Tango have to sniff out the mystery of the missing drawing.

Elmo and Tango help out in Abby's community garden, when suddenly Abby's cricket friend Chirpy goes missing and must be found.

Grover delivers mail, finds unlabeled package containing large wheel; Elmo and Tango check Cookie Monster's food truck and Abby's wheelbarrow to solve mystery.

Elmo and Tango help pretend-pirate Grover locate Barkbeard's lost treasure, which is buried under something shaped like a triangle.

Elmo has a new dancing robot toy! Elmo and Tango head to the park to play with the robot. On the way the pass Oscar who is banging on a trash can lid to add more dents in his can. Elmo and Tango sing a great song and dance with the robot. But in their excitement, the robot goes missing. After they search for musical songs around Sesame Street that may have attracted the robot, they lose hope. Fina