Four alien children are sent to Earth for a year of "how to be a human kid" training. One problem: they are awful at assimilating, constantly find themselves in bizarre situations, and make horrible decisions.
| Actor | Role |
|---|---|
 Kate Marie TomlinsonBernard | Bernard |
| GGianna GomezPenelope | Penelope |
| JJamie WarnerGustavo | Gustavo |
 Pappy FaulknerDorito | Dorito |
| BBobby AlbeeHockey Mask Guy | Hockey Mask Guy |
 Shane BradyGustavo's Dad (voice) | Gustavo's Dad (voice) |