Sharp-eyed viewers will notice several callbacks to the films:

Unlike Tigress’s tragedy, Viper’s story is about fear. Young Viper comes from a family of powerful kung fu masters. Her father, , is a legend. But young Viper cannot fight. She slithers, she dances, but she is terrified of getting hit.

Because the short is only 23 minutes, Mantis and Monkey share a segment, and it is brilliant. Young Mantis is a bitter loner living in a bamboo forest, angry at the world for being so small. Young Monkey is a street performer and con artist stealing fruit from villages.

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Perhaps the best part of Los Secretos Del Rollo is the characterization of Master Shifu. In the theatrical films, Shifu is often defined by his failure with Tai Lung. Here, we see Shifu as a master recruiter. He doesn't just find talent; he finds broken spirits and repairs them.