4x70 - Episode 475

March 2, 1973

4x71 - Episode 476

March 5, 1973

4x72 - Episode 477

March 6, 1973

4x73 - Episode 478

March 7, 1973

4x74 - Episode 479

March 8, 1973

4x75 - Episode 480

March 9, 1973

4x76 - Episode 481

March 12, 1973

4x77 - Episode 482

March 13, 1973

4x78 - Episode 483

March 14, 1973

4x79 - Episode 484

March 15, 1973

4x80 - Episode 485

March 16, 1973

4x81 - Episode 486

March 19, 1973

4x82 - Episode 487

March 20, 1973

4x83 - Episode 488

March 21, 1973

4x84 - Episode 489

March 22, 1973

4x85 - Episode 490

March 23, 1973

4x86 - Episode 491

March 26, 1973

4x87 - Episode 492

March 27, 1973

4x88 - Episode 493

March 28, 1973

4x89 - Episode 494

March 29, 1973

4x90 - Episode 495

March 30, 1973

4x91 - Episode 496

April 2, 1973

4x92 - Episode 497

April 3, 1973

4x93 - Episode 498

April 4, 1973

4x94 - Episode 499

April 5, 1973

4x95 - Episode 500

April 6, 1973

4x96 - Episode 501

April 9, 1973

4x97 - Episode 502

April 10, 1973

4x98 - Episode 503

April 11, 1973

4x99 - Episode 504

April 12, 1973

4x100 - Episode 505

April 13, 1973

4x101 - Episode 506

April 16, 1973

4x102 - Episode 507

April 17, 1973

4x103 - Episode 508

April 18, 1973

4x104 - Episode 509

April 19, 1973

4x105 - Episode 510

April 20, 1973

4x106 - Episode 511

April 23, 1973

4x107 - Episode 512

April 24, 1973

4x108 - Episode 513

April 25, 1973

4x109 - Episode 514

April 26, 1973

Stevie Wonder visits. Sponsors: G, I, 11

4x110 - Episode 515

April 27, 1973

4x111 - Episode 516

April 30, 1973

4x112 - Episode 517

May 1, 1973

4x113 - Episode 518

May 2, 1973

4x114 - Episode 519

May 3, 1973

4x115 - Episode 520

May 4, 1973

4x116 - Episode 521

May 7, 1973

4x117 - Episode 522

May 8, 1973

4x118 - Episode 523

May 9, 1973

4x119 - Episode 524

May 10, 1973

4x121 - Episode 526

May 14, 1973

4x122 - Episode 527

May 15, 1973

4x123 - Episode 528

May 16, 1973

4x124 - Episode 529

May 17, 1973

4x125 - Episode 530

May 18, 1973

4x126 - Episode 531

May 21, 1973

4x127 - Episode 532

May 22, 1973

4x128 - Episode 533

May 23, 1973

4x129 - Episode 534

May 24, 1973

4x130 - Episode 535

May 25, 1973

Oscar imagines that there are no people living on Sesame Street. Sponsors: X, Z, 10