I heard this show was in filler mode right now and fans are flipping out. Is it true? If so, that's hilarious and serves the fans right for worshipping this instead of a classy anime like Digimon or P&S.
I DO NOT RECCOMEND LEAVING THE BATTERY COVER OFF OF A TAMAGOTCHI!
It will be more vunerable to the elements that way! If you can't take a screwdriver from your parents, go buy some from Radio Shack. That way, they're all yours.