In which the history of Mona Simpson is basically rewritten.
In which Todd Flanders doubts his faith.
In which Grampa confesses something that is unforgivable.
In which Bart learns the benefits and drawbacks of being very nice to old...
In which Homer fights to save a chili dog stand.
In which Professor Frink uses science to find the answers to love.
In which Homer is forced to connect with Grampa.
In which Bart does a cowardly thing at the expense of Milhouse.
In which the Simpsons go all Inception-y to figure out Homer's bedwetting problem.
In which we say goodbye to Grandma Simpson.