Mister Rogers' Neighborhood (1968)

S1E72 Stop litterbugs

In episode 0072, Mister Rogers comes by with some plant nourishment, discussing the growth of both plants and individuals. Judy Ruben showcases creative projects crafted by children using repurposed containers. Meanwhile, in the Neighborhood of Make-Believe, King Friday and Handyman Negri launch an initiative aimed at reducing littering. They discover that the entire community is eager to participate in efforts to keep their environment clean.