Episode Title:Tough Cookies.Episode Description:Impressed by the plate of oatmeal and butterscotch cookies that Clyde brought Lincoln while trying one, Principal Huggins asks them if they can make another plate of cookies for the school board meeting as Superintendent Chen has a sweet tooth. After Superintendent Chen likes the cookies, Lincoln and Clyde start a cookie-making project and deliver them to different places. As Lisa noted that it would take them five hours to bake cookies, they rope in Liam, Rusty, Zach, and Stella into helping them at the time when the kids have a history project to do.