When Eddie brings the family pet bat Igor to school for the Pet Fair Playground, he does not realize it's really Grandpa in disguise, and trades him for the weekend with a classmate.
Did You Know?
The title is based on the common expression: "Birds of a feather flock together." This expression has been around since at least the 16th century as: "Birds of one kind and color flock and fly always together." See more
Approximately midway through the program, during a classroom scene, the children are being led past some tables, and in the background we can see a little boy who might look a bit familiar, listed in the credits as "second boy." Very suddenly, the camera angle changes for a split second, and then the original shot returns, but now, all of a sudden, "second boy" is in the forefront, studying the items on the tables, along with everyone else. That boy is being played by Jerry Mathers' little brother, Jimmy. See more
Eddie, you naughty, naughty boy! you traded your grandfather for a squirrel?