Mister Rogers' Neighborhood - Season 6 - Episode 39
Rogers shows different kinds of potatoes and shows what happens if they are put in water for a while. He makes up a potato song. Mr. McFeely delivers an ocarina. At the Negri's Music Shop, a blue grass band is rehearsing and explains why their music is bluegrass. Chef Brockett plays an ocarina and decides to be a potato bug in the opera. John Reardon and Lady Aberlin are still planning the opera and need a king and a pilot. King Friday decides he can't be in the opera. François Clemmons will make a good king, and Miss Ito can be a pilot.
About Mister Rogers' Neighborhood

Title: Mister Rogers' Neighborhood
First Air Date: 1968-02-19
Last Air Date: 2001-09-07
Status: Ended
Rating: 5.8/10 (from 110 votes)
Language: EN
Seasons: 32
Total Episodes: 850
Network: PBS National Educational Television
Genres: Kids
Production Companies: WQED, Small World Enterprises, Family Communications
Synopsis
Mister Rogers' Neighborhood is an American children's television series that was created and hosted by namesake Fred Rogers. The series originated in 1963 as Misterogers on CBC Television, and was later debuted in 1966 as Misterogers' Neighborhood on the regional Eastern Educational Network, followed by its US network debut on February 19, 1968, and it aired on NET and its successor, PBS, until August 31, 2001. The series is aimed primarily at preschool ages 2 to 5, but has been stated by PBS as "appropriate for all ages". Mister Rogers' Neighborhood was produced by Pittsburgh, Pennsylvania, USA public broadcaster WQED and Rogers' non-profit production company Family Communications, Inc.; previously known as Small World Enterprises prior to 1971, the company was renamed The Fred Rogers Company after Rogers' death.
Cast

Fred Rogers
Mr. Rogers

Betty Aberlin
Lady Aberlin

David Newell
Mr. McFeely

Joe Negri
Handyman Negri