Debt Be Not Proud/References

Continuity

 * Rex Banner told Lisa that Homer got him fired from U.S. Treasury which is a reference to "Homer vs. the Eighteenth Amendment".
 * Lisa tells Homer he only took one class at college, which is a reference to "Homer Goes to College".

Cultural references

 * The student loan officer is reading the Simpsons World the Ultimate Episode Guide: Seasons 1-20 when Rex Banner calls him.
 * Rod and Todd asked Lisa to play .

Trivia

 * Edna is alive and a teacher and lives with Ned even though she died a few months prior to the comic story.
 * Though as comics are considered non-canon Edna can remain alive in comics.
 * Rex Banner's appearance is slightly different in some panels.