Spidey and Thing are building a new tool shed at the community center while H.E.R.B.I.E. puts on the roof. When H.E.R.B.I.E. goes to get the paint, he crashes very hard, causing his wires to come loose and starts acting strange. He goes haywire all over the city. He goes to the farmers' market to help Spidey's aunt May long shopping list, then Rhino grabs him and agrees to help him steal stuff. Spidey and Thing start chasing after them, but H.E.R.B.I.E. is too busy helping Rhino cause trouble and they land on a ship. It's up to Spidey and Thing to stop Rhino and fix H.E.R.B.I.E.'s wires.

Team Spidey are web swinging together in the city just as WEB-STER alerts them that Lizard is sneaking around the farmers' market. He sneaks in and steals things for his shrink potion recipe. It turns out, he uses it to steal everything. Team Spidey shows up and chases him. As soon as Spidey catches Lizard, his shrink potion flies up and shrinks them down to tiny size. Then a skateboarder splashes a puddle on them, which causes them to go down the sewers. Ghosty and Spin take the potion to WEB-Quarters and make a reversal potion. Spidey goes to the blue pipe to rescue Lizard, but when he tries to call Ghosty and Spin, his comm-link broke due to the slip and sliding. It's up to Spidey and Lizard to get back on land and get back to regular size. But Lizard also has to learn to work together with Spidey.

Team Spidey is having a good time going underwater in their vehicles until a baby dolphin comes by asking for their help. When they arrived at the trench, the baby dolphin's parents are acting weird and wearing dolphins-obey-me helmets and grabbing treasures in their mouths. It turns out, they're bringing Doc Ock the treasures inside a hidden cavern. It's up to Team Spidey and the baby dolphin to stop her and rescue the dolphin parents before she keeps the treasures forever as usual.