A man and a woman argue about the different words they use to express the same idea. Then they sing a song about synonyms with the muppets and include several examples of words that have the same meaning.
At dinner, Bart expresses his excitement about Homer becoming an astronaut and asks for the opposite of the word, "shame," to accurately represent his feelings. Marge lists the wide range of emotions she experienced when she learned about Homer's venture into outer space, and several of the words she uses are synonyms.
A customer argues that the parrot he purchased is dead while the shop owner tries to reason for its lack of movement. The customer uses several phrases to convey the same message to the shop owner: that the parrot is motionless because it has passed away.