This is the final episode with Billy wearing his glasses. He would wear them briefly again in Power Rangers Zeo's "Graduation Blues" and "Rangers of Two Worlds 2-parter".
When rocky is fighting in his zord and the camera monster makes a copy of his zord you can see he in the cockpit on his right side.when he starts saying " he's going to have to take himself out" the pink rangers arm and right side is shown.