| (1990-1997) |
 |
| 1990 |
| 1991 |
| "An Astronomical Predicament" |
| "The Stone That Turns All Metals Gold" |
| 1992 |
| "Mardi Gras Before the Thaw" |
| 1994 |
| "Rich Finds at Inventory Time" |
| 1996 |
| "I Wonder What My Fortune Cookie Says" |
 |
 |
 |
 |
 |
| 1997 |
 |
 |
| "Eureka! A Goose Egg Nugget!" |
| "Old Castle Secret" |
 |
| "Heat Wave" |
 |
| "Merry Christmas" |