Miss Spider's buglets dress up in a snakeskin to scare the residents of Sunny Patch; Shimmer puts on a play for Bug-a-Boo Day, but finds others unwilling to participate.
Squirt leaves behind a mess of sticky webs as he plays in Sunny Patch; Dragon tells Squirt that big bugs don't cry, so Squirt keeps his feelings to himself when he sprains a leg.
Nobody believes Squirt when he tells them that he met a bug so small it can't be seen, not even his parents; Shimmer become interested in playing the bugpipes, but then secretly changes interests to dancing.
When a new family of frogs moves into their Taddy Puddle, several of Miss Spider's little bugs secretly befriend the frog Felix. Meanwhile, Spiderus, worried by the "invasion," creates the Anti-Frog Squad.
Wiggle rejects his siblings' idea of elaborate presents for Bug Your Mom Day; rain threatens to spoil plans for eight-year-old Shimmer's first-ever hatchday party.