Enter the farmhouse through the chimney. Once you collect the Bowl, take it back to the Diner, get it filled with milk, and bring it back where you found it. Climb the wire at the right to get to the upstairs bathroom, where you will find the missing cat in the shower.
On the abandoned farmhouse, to the right of Main Street.
Go left from Main Street to the old farmhouse. You have to enter through the chimney. The bowl is on the floor inside. Once you fill it with milk at the Carrot Diner, bring it back and you will find the cat upstairs in the bathtub.
Go left from Main Street and enter the farmhouse through the chimney.
The farmhouse is past the Funny Bunny Carrot Farm, tothe left of Main Street. The house is closed up, but you can climb to the roof and enter through the chimney.
On the farmhouse to the left of Main Street, the chimney is the only way into the house.
You enter through the chimney. The glass bowl is on the floor. You cannot walk past it.
The carrot farm is to the left of Main Street. The only thing there is the abandoned farmhouse, where a missing cat was seen. The cat belongs to the clerk at Charlie's Carrot Surplus. (see related question)
The cat belongs to the woman at Charlie's Carrot Surplus, and is hiding at the farmhouse. You will receive a reward for the cat's return. (see related question)
The cat's bowl is downstairs in the deserted farmhouse. If it isn't on the first floor, it is already in your item bag.
You get the milk from the diner. Get the cat's bowl from the farmhouse and take it to the waitress at the diner. She will fill it for you, and you can take it back to the house.
The cat on 24 Carrot Island is in the abandoned farmhouse to the left of Main Street. You should get the cat's bowl and fill it with milk, then get the cat from the upstairs shower so that it will drink the milk and follow you. There is also a black cat on Spy Island, who only says "meow". (see related question)
The chimney is on top of the farmhouse to the left of the starting area.