Continuity mistake: When Snowball goes in the ocean to save Max and Duke it's morning, but when they come back up it's night. (01:13:17 - 01:14:25)
Suggested correction: It is supposed to be the afternoon.

Directed by: Chris Renaud, Yarrow Cheney
Starring: Kevin Hart, Lake Bell, Jenny Slate, Ellie Kemper, Louis C.K., Eric Stonestreet
Continuity mistake: When Snowball goes in the ocean to save Max and Duke it's morning, but when they come back up it's night. (01:13:17 - 01:14:25)
Suggested correction: It is supposed to be the afternoon.
Continuity mistake: When Max runs in the bathroom to complain about Duke, the bathroom door opens into the bathroom against the tub, but when she pushes Max out of the bathroom the door suddenly is on the other side of the door frame opening outwards into the living room. (00:12:20)
Pops: That ball of fluff's got a screw loose.
Trivia: There is a post-credit scene of a pet masquerade party, in which Buddy the dachshund arrives dressed as a walking Teddy Bear. Mel the pug arrives dressed as a minion. "Secret Life of Pets" director Chris Renaud also directed the "Despicable Me" films which features the minions, served as executive producer the film "Minions" and also and lent his voice as one of the minions.