Episode Title:Along Came a Sister / Chore and Peace.Episode Description:Along Came a Sister: Mrs. Johnson selects Lincoln to watch over the class' pet tarantula Frank. During this time, Lincoln must keep Frank safe from an arachnophobic Leni and an overzealous exterminator.
Chore and Peace: Lincoln's known chore is taking out the trash. He eventually gets sick of it and goes on strike until someone switches with him. This leads to his sisters going on their own strike in return. The strikes continue to the point where Lily is nowhere to be found in the garbage-filled house and a garbage monster named Trashy is born. The Loud siblings must work together to find their youngest sibling.