They got two foster kittens that are natural pranksters. As soon as they moved into their new home, they started playing pranks on the big kitties.

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Meet the pranksters, foster kittens Fielding and Bartholomew "Bart" Mittenfloss

The kittens try to surprise the big kitties.

"Normally, kittens are a little intimidated by the big, open space and tend to dash under the furniture and stick close to the walls.  But not Bart and Fielding, nope, they were fearless and did not scamper to the sidelines." (More at Itty Bitty Kitty Committee)

Watch the full video here: