Season 4 (1975)

==Episodes==
#406 --The Viewer Who Meets Eco
#407 -- Little Buster
#408 -- Buster receives a teddy bear and a sweater
#409
#410
#411
#412
#413 -- Rita Moreno visits
#414
#415
#416
#417
#418 -- Bill Cosby visits
#419
#420
#421
#422
#423
#424
#425
#426
#427
#428
#429
#Episode 430 -- Jimmy Slyde visits
#431
#432
#433
#434
#435
#436
#437
#438
#439
#440
#441
#442
#443
#444
#445
#446
#447
#448
#449
#450
#451
#452
#453
#454
#455
#456
#457
#458
#459
#460
#461
#462
#463
#464
#465
#466
#467
#468
#469
#470
#471
#472
#473
#474
#475
#476
#478
#478
#479
#480
#481
#482
#484
#484
#485
#486
#487
#488
#489
#490
#491
#492
#493
#494
#495
#496
#497
#498
#499
#500
#501
#502
#503
#504
#505
#506
#507
#508
#509
#510
#511
#512
#513
#514
#515
#516
#517
#519
#520
#521
#521
#522
#523
#524
#525
#526
#527
#528
#Episode 529 -- 
#530 -- The Musical Story of Mister F (Part 1)
#531 -- The Musical Story of Mister F (Part 2)
#532 -- The Musical Story of Mister F (Part 3)
#533 -- The Musical Story of Mister F (Part 4)
#534 -- The Musical Story of Mister F (Part 5)
#535 -- The Musical Story of Mister F (Part 6)
Category:Seasons (Classics)