The following is a list of episodes from the animated series Wonder Pets! and its predecessor shorts Linny the Guinea Pig. The series debuted on March 3, 2006, as part of the Nick Jr. block on the Nickelodeon cable channel. Some episodes from the third season, which completed production in 2010, only aired on the separate Nick Jr. channel.
| Season | Episodes | Originally aired | |||
|---|---|---|---|---|---|
| First aired | Last aired | ||||
| Shorts | 2 | ||||
| 1 | 20 | ||||
| 2 | 20 | ||||
| 3 | 22 | [1] | |||