S4 E1 • Episode 406

Season 4 premiere: Gordon and Susan meet Sam the Robot, Mr. Snuffleupagus plays "London Bridge" with the kids. Sponsors: D, 2

Première diffusion : 13 novembre 1972

S4 E2 • Episode 407

S4 E3 • Episode 408

S4 E4 • Episode 409

S4 E5 • Episode 410

S4 E6 • Episode 411

S4 E7 • Episode 412

S4 E8 • Episode 413

S4 E9 • Episode 414

S4 E10 • Episode 415

S4 E11 • Episode 146

S4 E12 • Episode 417

S4 E13 • Episode 418

S4 E14 • Episode 419

S4 E15 • Episode 420

S4 E16 • Episode 421

S4 E17 • Episode 422

S4 E18 • Episode 423

S4 E19 • Episode 424

S4 E20 • Episode 425

S4 E21 • Episode 426

S4 E22 • Episode 427

S4 E23 • Episode 428

S4 E24 • Episode 429

S4 E25 • Episode 430

S4 E26 • Episode 431

S4 E27 • Episode 432

S4 E28 • Episode 433

S4 E29 • Episode 434

S4 E30 • Episode 435

S4 E31 • Episode 436

S4 E32 • Episode 437

S4 E33 • Episode 438

S4 E34 • Episode 439

S4 E35 • Episode 440

S4 E36 • Episode 441

S4 E37 • Episode 442

S4 E38 • Episode 443

S4 E39 • Episode 444

S4 E40 • Episode 445

S4 E41 • Episode 446

S4 E42 • Episode 447

S4 E43 • Episode 448

S4 E44 • Episode 449

S4 E45 • Episode 450

S4 E46 • Episode 451

S4 E47 • Episode 452

S4 E48 • Episode 453

S4 E49 • Episode 454

S4 E50 • Episode 455