Mister Rogers' Neighborhood (1968)

S1E83 Lady Elaine plans an opera

Mister Rogers introduces a pioneering instant camera to the neighborhood, sparking excitement. Meanwhile, Lady Elaine embarks on creating her own opera, yet Reardon remains clueless about the unique type she’s planning, especially since it involves camping gear. At Lady Elaine's urging, he retrieves his own covered wagon to assist in her imaginative endeavor.