While Lilly is doing her cheerleading tryouts and Miley is sitting in the background hugging a friend while watching Lilly's tryouts, Lilly does cartwheels but in the background, Miley isn't there.
When Lily does her back flips during cheer leading tryouts, Miley has disappeared from the background.
In Mascot Love, during cheer leading practice Oliver says his phone number (555-0121) and then again during the game. But during the game he says his phone number is 555-0127.
When Lily comes in Miley's house near the end, she is limping on her left leg as if her left ankle is injured. But when she sits on the sofa, she puts her right leg on the table and Miley puts the ice on it.
When Oliver is testing his mic before the game, he says his phone number as 555-0121. During the game at halftime, he gives it out as 555-0127.