Doraemon: Gadget Cat from the Future

The Woodcutter's Pond (1x11)

Air date: Jul 14, 2014

In a variant of The Honest Woodman story, Doraemon presents people with similar pair of items, of which the replacement appears to be better than the original. However, there is a condition that the owner must speak the truth. Sneech and Big G end up misusing the gadget due to their greed.