| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 401 |
September 30, 1991
PBS
|
30 | |
| S04E02 | Episode 402 |
October 1, 1991
PBS
|
30 | |
| S04E03 | Episode 403 |
October 2, 1991
PBS
|
30 | |
| S04E04 | Episode 404 |
October 3, 1991
PBS
|
30 | |
| S04E05 | Episode 405 |
October 4, 1991
PBS
|
30 | |
| S04E06 | Episode 406 |
October 7, 1991
PBS
|
30 | |
| S04E07 | Episode 407 |
October 8, 1991
PBS
|
30 | |
| S04E08 | Episode 408 |
October 9, 1991
PBS
|
30 | |
| S04E09 | Episode 409 |
October 10, 1991
PBS
|
30 | |
| S04E10 | Episode 410 |
October 11, 1991
PBS
|
30 | |
| S04E11 | Episode 411 |
October 14, 1991
PBS
|
30 | |
| S04E12 | Episode 412 |
October 15, 1991
PBS
|
30 | |
| S04E13 | Episode 413 |
October 16, 1991
PBS
|
30 | |
| S04E14 | Episode 414 |
October 17, 1991
PBS
|
30 | |
| S04E15 | Episode 415 |
October 18, 1991
PBS
|
30 | |
| S04E16 | Episode 416 |
October 21, 1991
PBS
|
30 | |
| S04E17 | Episode 417 |
October 22, 1991
PBS
|
30 | |
| S04E18 | Episode 418 |
October 23, 1991
PBS
|
30 | |
| S04E19 | Episode 419 |
October 24, 1991
PBS
|
30 | |
| S04E20 | Episode 420 |
October 25, 1991
PBS
|
30 | |
| S04E21 | Episode 421 |
October 28, 1991
PBS
|
30 | |
| S04E22 | Episode 422 |
October 29, 1991
PBS
|
30 | |
| S04E23 | Episode 423 |
October 30, 1991
PBS
|
30 | |
| S04E24 | Episode 424 |
October 31, 1991
PBS
|
30 | |
| S04E25 | Episode 425 |
November 1, 1991
PBS
|
30 | |
| S04E26 | Episode 426 |
November 4, 1991
PBS
|
30 | |
| S04E27 | Episode 427 |
November 5, 1991
PBS
|
30 | |
| S04E28 | Episode 428 |
November 6, 1991
PBS
|
30 | |
| S04E29 | Episode 429 |
November 7, 1991
PBS
|
30 | |
| S04E30 | Episode 430 |
November 8, 1991
PBS
|
30 | |
| S04E31 | Episode 431 |
November 11, 1991
PBS
|
30 | |
| S04E32 | Episode 432 |
November 12, 1991
PBS
|
30 | |
| S04E33 | Episode 433 |
November 13, 1991
PBS
|
30 | |
| S04E34 | Episode 434 |
November 14, 1991
PBS
|
30 | |
| S04E35 | Episode 435 |
November 15, 1991
PBS
|
30 | |
| S04E36 | Episode 436 |
November 18, 1991
PBS
|
30 | |
| S04E37 | Episode 437 |
November 19, 1991
PBS
|
30 | |
| S04E38 | Episode 438 |
November 20, 1991
PBS
|
30 | |
| S04E39 | Episode 439 |
November 21, 1991
PBS
|
30 | |
| S04E40 |
Episode 440
season finale
|
November 22, 1991
PBS
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.