The Invisible Paint

Nobita and Shizuka found a lost kitten near the dump, Shizuka want to adopt him but she has already have a Cannary. Nobita decided to bring the cat home and washing him until clean. However, Tamako forbid Nobita to pet him and telling Nobita to give it back immediately.

Doraemon says, "Just do it secretly," and takes out some "Invisible Paint" from his pocket and begins to paint the kitten with a brush. Nobita is surprised when the kitten disappears. Doraemon said that anything applied with this paint becomes transparent or invisible.

After paint the cat, Doraemon and Nobita paint various things around the living room with this paint. Then, some of the paint splashes on Nobita, and the painted parts disappear! Seeing this, Doraemon decides to paint his whole body with it so Nobita becomes an invisible man and only his head is visible. However, the invisible kitten causes trouble in the house then make Tamako scream because she saw a fish flying by itself.

The kitten ran away from Nobita's house while bringin the fish. Doraemon and Nobita try to catch him, Some people passed by were shocked when they saw Nobita with only his head visible.