_Hop_ brings product placement to new levels with 92 different companies earning spots in the film, including Holiday Inn, Krispy Kreme, Lindt, Kraft Foods, The Hershey Company, Build-A-Bear Workshop, Kodak, Hallmark, HMV and Burger King.
When Fred grabs the big stone, and lifts it over his head to smash EB, you can see that one string on his sweater goes over his shoulder. In the next shot, when you see Fred again, you can see that both strings are on the front of his sweater again.
When E.B. is playing Rock Band, the bass notes are shown to be hit, yet there is no bass pedal plugged into the drum kit. Also, when Fred pauses the game, he uses the TV remote, yet this can only be done with a game controller.
No, but there are now 5 books that are based on the film - Chicks Versus Bunnies; Hop: The Chapter Book; Hoppy Bunnies; Hop: Meet the Easter Bunny; and Counting Chicks.