Look at the top thing
No going back, Sink or Swim, Taken and you posted What
Oh You Posted What!?! is an episode. O_O
well I didn't know. I'm not like Chase.
probably like 3 times in the series
Well, No Going Back, but he was masked. His actual appearance so far were in Sink or Swim, Taken, and You Posted What?!? So, like...3 or 4?
Nope. Like Aardvarkbanana911 said, five. Those four you wrote, BigTimeRusher19 plus Rise of the Secret Soldiers.