S1, E5: A picnic in the park ends up becomes something else entirely when Corduroy ends up sailing solo on Moppy's toy boat. Moppy had promised Lisa he'd take care of Corduroy and now Corduroy's missing! / Mom's in bed with a cold, so Lisa offers to make lunch. It'll be Lisa's first time preparing a meal on her own, and Mom has very clear instructions for Lisa to follow. But in the excitement of being a chef, Lisa bypasses a simple peanut butter and jelly sandwich for an improvised pasta salad, featuring a dressing made out of prune juice!