In which Grampa confesses something that is unforgivable.
In which there didn’t seem to be enough of any one plot for an entire episode.
In which Professor Frink uses science to find the answers to love.
In which Bart does a cowardly thing at the expense of Milhouse.
In which Bart joins the bullies and Homer grows old before his time.
In which we learn the story of Homer’s childhood dog.
In which Homer and Marge discover Grampa’s past.
In which Lisa finds love around Valentine’s Day to Marge’s disappointment.
In which Homer gets demoted and Bart builds a robot with Martin.
In which Lisa accidentally invents a drug that makes people mellow with a horrifying side effect.