Disclaimer: I do not own Harry Potter or High School Musical.
And just to make it clear I watched High School Musical when I was like 5 and I don't even remember what I had for breakfast so I apologise for any errors.
James put his hands on the left Great Hall door while Peter, put his hands on the right Great Hall door.
"Okay." Sirius said, "On three. One. Two. Three!" James and Peter pushed the doors open and as one they stepped forward into the Great Hall and shouted.
"WILDCATS ARE IN THE HOUSE!"
"WHAT TEAM?!" Sirius hollered.
"WILDCATS!" James and Peter yelled back
"WHAT TEAM?!"
"WILDCATS!"
"WHAT TEAM?!"
"WILDCATS!"
"WILDCATS!"
"GET YOUR HEAD IN THE GAME!"
Remus sidled in after them shaking his head. Why oh why? Had he showed them that goddamned movie?!