Minuscule: The Private Life of Insects (2006)

S1E17 Lettuce

A tiny caterpillar enjoys a peaceful day lounging on a fresh salad. Life is carefree until she notices a looming threat: a snail inching its way toward her. Overcome by a wave of anxiety, the caterpillar imagines the snail devouring her beloved salad, fearing the worst for her leafy sanctuary.