This will be Will Arnett's second animated film in 2017. He is also in The Lego Batman Movie (2017) six months prior.

The poster of the gang in the acorn is a homage to the poster of Monty Python and the Holy Grail.

In this sequel, the nut shop is called, "Nibbler's Nuts". In the previous film, _The Nut Job (2014)_, the shop is called, "Maury's Nuts". It's possible that the last name of Lana, King's girlfriend, is Nibbler.

Tom Kenny's second animated sequel.

Both Jess Harnell and Fred Tatasciore voiced characters on 'The Cleveland Show'.

Maya Rudolph's was 2nd animation film, just 2 weeks after The Emoji Movie (2017) released.

Mr. Feng, voiced by Jackie Chan, is shown to have a one-inch punch attack. Coincidentally, the one-inch punch is commonly attributed to Bruce Lee, whom Jackie Chan had been a stuntman on two of his films (Fist of Fury and Enter the Dragon, specifically).

This is Bobby Moynihan's third animated film, after Monsters University (2013), and The Secret Life of Pets (2016).

This will be Jackie Chan's first animated film that isn't a Kung Fu Panda film. However, his character, Mr. Feng, does indeed do Kung Fu, a nod to his character Monkey in Kung Fu Panda (2008), Kung Fu Panda 2 (2011), and Kung Fu Panda 3 (2016), respectively.