Gravity

1. El Arte1976-05-20 2. Poles North and South1976-05-23 3. Mascaras1976-05-24 4. Vamos a Bailar1976-05-25 5. Solar Energy1976-05-26 6. Numeros1976-05-27 7. Las Islas1976-05-30 8. Los Caminos1976-05-31 9. Fiestas1976-06-01 10. Sound and Waves1976-06-02 11. Zero and More1976-06-03 12. What's Inside the Earth?1976-06-06 13. The Shape of Things1976-06-07 14. Ships and Ports of Call1976-06-08 15. What's a Language?1976-06-09 16. Equal and Unequal1976-06-10 17. The Shape of Things #21976-06-13 18. Stored Energy1976-06-14 19. Wings & Flying Things1976-06-15 20. Plebiscite for All1976-06-16 21. Los muebles1976-06-17 22. Bio-Degradable1976-06-20 23. Where Do Animals Go?1976-06-21 24. Las corrientes1976-06-22 25. Lens, Shutters & Silver Salts1976-06-23 26. Learning How1976-06-24 27. What's Tropical?1976-06-27 28. Automatico1976-06-28 29. Horsemen of America1976-06-29 30. Engine1976-06-30 31. Energy Foods1976-07-01 32. Changes That Don't Change1976-07-04 33. Not Like Crayons1976-07-05 34. Intercambio1976-07-06 35. El Vuelo1976-07-07 36. Measuring Up1976-07-08 37. Maps, Charts, & Models1976-07-11 38. Made from Metal1976-07-12 39. What's Extinct?1976-07-13 40. Social Responsibilities1976-07-14 41. Eyes and Seeing Things1976-07-15 42. Where Are You From?1976-07-18 43. Sources of Food & Nutrients1976-07-19 44. Picture Words1976-07-20 45. Play Things1976-07-21 46. From Scribblings to Caligraphy1976-07-22 47. Angry Nature1976-07-25 48. La musica1976-07-26 49. Rules1976-07-27 50. Invisible Workers1976-07-28 51. Working with People1976-07-29 52. Episode 521976-08-01 53. Episode 531976-08-02 54. Episode 541976-08-03 55. Energy Scales1976-08-04 56. Episode 561976-08-05 57. Water Comes and Goes1976-08-08 58. Pressing Prints1976-08-09 59. Episode 591976-08-10 60. Gravity1976-08-11 61. El Amor1976-08-12 62. Episode 621976-08-15 63. Episode 631976-08-16 64. Episode 641976-08-17 65. Episode 651976-08-18