I Can't Believe They Invented It! is an informercial TV show. Troy McClure is the host of the show. While Homer was watching it, Dr. Nick Riviera appeared with his invention, Spiffy, the 21st century dust remover. Also is wached by Homer in the episode Marge in Chains.
- Episode – "Saturdays of Thunder"
- Episode – "Marge in Chains"
- Episode – "Homer vs. Lisa and the 8th Commandment"
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