Enforced Plug: A toy barn from the Little People Play Family Farm is used in a guessing game Bob plays with the kids, a plug for Fisher-Price (which would produce several Sesame Street toys later in the 1970s).
Strike Episode: The local sanitation union is on strike and refuse hasn't been collected in some time. Gordon and Susan help explain the basics of what a strike is to viewers and that the two sides need to reach an agreement before the refuse collectors agree to go back to work. In the meantime, the two discuss a plan with their neighbors to help solve the issue of what to do with the refuse in the meantime.
