The scene with Josh throwing out his back while lifting Candice was based on something that happened to J.G. Quintel when he lifted up his daughter.
"Absolute Unit" is a euphemism for "Total Dick".
Emily's family is revealed to be from Guadalajara, Mexico, while Bridgette's family is from Kyoto, Japan.
The Impossible WOD is similar to the Shredder from Regular Show, as it can kill the person attempting to do it.