Continuity mistake: In "Start It Up", Rocky says that Gunther and Tinka were exchange students since the first grade. But in "Vatalihoosit It Up" Gunther and Tinka's parents are at their apartment with them.
Shrink It Up - S2-E1
Continuity mistake: When Rocky is saying things that she has been pushed into doing, she mentions the time they danced on the wings of a plane. However they didn't do that until a few episodes later.
Continuity mistake: When the kids jump in the shower towards the end of the episode, they're all wearing footwear. When the shower is turned on and we see a wide shot immediately after the kids get wet, the boy is now barefoot and there is no sign of his trainers anywhere in the immediate area.
Continuity mistake: Before grandma tells the first part of the story, Flynn has kiss marks all over his face. After the first time it goes back to real life, the kiss marks are gone.
Loyal It Up - S3-E24
Continuity mistake: At the end when they're dancing on the top of the stage look at the boy behind Ty who isn't dancing. He moves from Ty's left side to his right to his left again.