And Maggie Makes Three/Appearances

Characters

 * Homer Simpson
 * Bart Simpson
 * Lisa Simpson
 * Marge Simpson
 * Maggie Simpson
 * Snowball I (in photo)
 * Charles Montgomery Burns (flashback)
 * Carl Carlson (flashback)
 * Lenny (flashback)
 * Waylon Smithers (flashback)
 * Barney Gumble (flashback)
 * Al Gumble (flashback)
 * Jacques (flashback)
 * Joey (And Maggie Makes Three) (flashback)
 * Dr. Hibbert (flashback)
 * Maude Flanders (flashback)
 * Ruth Powers (flashback)

Locations

 * 742 Evergreen Terrace
 * Barney's Bowlarama (flashback)
 * Springfield Nuclear Power Plant (flashback)
 * Spinster City Apartments (flashback)
 * Springfield General Hospital (flashback)
 * Springfield beach

Television shows

 * Knightboat: The Crime Solving Boat