What happens when you leave for work or school and your pets are at home? Well, the secret is out in this first official teaser trailer for 'The Secret Life Of Pets' produced by Illumination Entertainment and distributed by Universal Pictures.

'The Secret Life of Pets' is being directed by Chris Renaud ('Despicable Me', 'Despicable Me 2') and Yarrow Cheney is set in a Manhattan apartment building, where Max, a terrier (Louis C. K.) realizes his life is forever changed when his owner brings home another pet companion named Duke, a mongrel (Eric Stonestreet) who's basically sloppy. However, in a twist of events, they abandon their quarrels and join forces when they learn an adorable white bunny named Snowball (Kevin Hart) is assembling an army of the abandoned.

The upcoming American 3D computer animated comedy film also has an amazing voice cast ensemble featuring the likes of Ellie Kemper, Lake Bell, Jenny Slate, Bobby Moynihan, Hannibal Buress and Albert Brooks.

'The Secret Life of Pets' opens on July 8, 2016.