Bucket & Skinner's Epic Adventures (2011)

S1E17 Epic Break-Up

In a special one-hour episode, originally intended as the season finale but aired during Nick's "Just Jennette" Night, Bucket and Skinner mistakenly board the wrong bus while dressed as aliens and inadvertently find themselves in a military base. Meanwhile, Kelly's plans for prom take an unexpected turn when an old friend from her childhood arrives, and to make matters worse, Piper accidentally ruins her dress.