WHAT IS THIS?

WHAT IS THIS? is the twentieth episode of Sonic '06.

Trivia

 * Jon comments on how the game is explaining how to play as Knuckles even though they had already played with him. However, this is actually the first time they got to play as Knuckles.
 * This is also yet another episode of Sonic 06 in which the game glitches, sending Knuckles to the top of the level.