In episode ifence who needed Spencer and Freddie with the dorfman?

In the episode of "iCarly" titled "iFence," Carly and Sam enlist the help of Spencer and Freddie to deal with the situation involving a new neighbor, Mr. Dorfman. They believe that Mr. Dorfman is too strict and needs to be softened up, prompting them to seek Spencer and Freddie's assistance. Together, they work on a plan to help make Mr. Dorfman more approachable.