| Track # | Broadcast Date | Episode # | Episode Title |
|---|
| 01 | 43-02-02 | 001 | Piece of Silk |
| 02 | 43-02-09 | 002 | Fight Against Fire |
| 03 | 43-02-16 | 003 | The King of Ice |
| 04 | 43-02-23 | 004 | And Then the Night |
| 05 | 43-03-02 | 005 | I Scream You Scream |
| 06 | 43-03-09 | 006 | Yesterdays Secret Weapon |
| 07 | 43-03-16 | 007 | Mariah Coventry |
| 08 | 43-03-23 | 008 | The Man Who Found a Continent |
| 09 | 43-03-30 | 009 | The Immigrant Inventor |
| 10 | 43-04-06 | 010 | Dirty Hands |
| 11 | 43-04-27 | 013 | Victory in the Desert |
| 12 | 43-05-11 | 015 | The Recluse of Fitzroy Square |
| 13 | 43-05-25 | 017 | Science As A Career Pt 2 |
| 14 | 43-06-01 | 018 | Future Power Sources Pt 1 |
| 15 | 43-06-08 | 019 | Future Power Sources Pt 2 |
| 16 | 44-11-21 | 095 | History of 1st Regular Radio Broadcast |
| 17 | 44-11-28 | 096 | Telegraphy |
| 18 | 45-10-16 | 142 | A New Kind Of Movie |
| 19 | 46-05-16 | 173 | George Westinghouse |
| 20 | 46-07-02 | 180 | Electronics in Communications |
| 21 | 46-07-09 | 181 | Electronics in Transportation |
| 22 | 46-07-16 | 182 | Electronics in Industry |
| 23 | 46-07-23 | 183 | Electronics in Health and Personal Enjoyment |
| 24 | 46-07-30 | 184 | King of Clocks |
| 25 | 46-08-06 | 185 | The Paper Invention That Worked |
| 26 | 46-08-13 | 186 | Golden Jubilee |
| 27 | 46-08-20 | 187 | The First American Patent |
| 28 | 46-08-27 | 188 | Typewriter History |
| 29 | 46-09-03 | 189 | Science in Recreation |
| 30 | 46-09-10 | 190 | The Story of Metal X |
| 31 | 46-09-17 | 191 | Birth of the Balloon |
| 32 | 46-10-08 | 194 | Dynamite |
| 33 | 46-10-15 | 195 | SOFAR |
| 34 | 46-10-22 | 196 | Hurricane Maker |
| 35 | 46-10-29 | 197 | Oil from Shale |
| 36 | 46-11-05 | 198 | The Cash Register |
| 37 | 46-11-12 | 199 | Uncle Sam's Attic |
| 38 | 46-11-19 | 200 | Toothpowder Mountain |
| 39 | 46-11-26 | 201 | Gustaf Dahlen |
| 40 | 46-12-03 | 202 | The Sting of Death |
| 41 | 46-12-10 | 203 | The Dread Scourge - Typhus |
| 42 | 46-12-31 | 206 | Time Through the Ages |
| 43 | 47-01-07 | 207 | Beauty in Clay |
| 44 | 47-01-14 | 208 | Plague Conqueror |
| 45 | 47-01-21 | 209 | Man of Destiny |
| 46 | 47-01-28 | 210 | The Rain Wizard |
| 47 | 47-02-04 | 211 | Stone That Gave Light |
| 48 | 47-02-11 | 212 | The Perfect Clock |
| 49 | 47-02-18 | 213 | The Golden Mold |
| 50 | 47-02-25 | 214 | The Lost Chemical |
| 51 | 47-03-04 | 215 | The Modern Road |
| 52 | 52-12-09 | 514 | Dirty Hands |
| 53 | 52-12-30 | 517 | George And The Iron Monster |
| 54 | 53-07-14 | 545 | The Mosquito Doctor |
| 55 | 54-01-19 | 572 | The Immigrant Inventor |
| 56 | 54-05-11 | 588 | And Then The Night |
| 57 | 54-05-25 | 590 | The Fight Against Fire |
| 58 | 54-06-01 | 591 | The King Of Ice |
| 59 | 54-06-08 | 592 | I Scream, You Scream |
| 60 | 54-06-15 | 593 | Yesterday's Secret Weapons |
| 61 | 54-06-22 | 594 | The Man Who Found A Continent |
| 62 | 54-06-29 | 595 | Maria Coventry |
| 63 | 54-07-06 | 596 | A Piece Of Silk |
| 64 | 54-09-14 | 606 | The Recluse of Fitzroy Square |
| 65 | 54-09-21 | 607 | Victory In The Desert |
| 66 | 54-09-28 | 608 | Patent Number 547860 |
| 67 | 54-10-05 | 609 | Death Of The Dawn Man |
| 68 | 54-10-12 | 610 | A Cup Of Sugar |
| 69 | 54-10-19 | 611 | The Fabulous Mineral |
| 70 | 54-10-26 | 612 | The Blizzard of '88 |
| 71 | 54-11-02 | 613 | Hairpin In The Bottle |
| 72 | 54-11-09 | 614 | American's First Invention |
| 73 | 54-11-16 | 615 | Fence Around America |
| 74 | 54-11-23 | 616 | No Sale |
| 75 | 54-11-30 | 617 | A Touch Of Cologne |
| 76 | 54-12-07 | 618 | The Green And The Red |
| 77 | 54-12-14 | 619 | The Perpetual Discovery |
| 78 | 54-12-21 | 620 | The Overlooked Housefly |
| 79 | 54-12-28 | 621 | The Missing Ingredient |
| 80 | 55-01-04 | 622 | Kris Kringle's Helper |
| 81 | 55-01-11 | 623 | The Way Of An Eagle |
| 82 | 55-01-18 | 624 | The First Skyscraper |
| 83 | 55-01-25 | 625 | The Million Dollar Cabbage |
| 84 | 55-02-01 | 626 | The Stamp Of Approval |
| 85 | 55-02-08 | 627 | Michael Saves His Breath |
| 86 | 55-02-15 | 628 | Seven And A Fifth Degrees |
| 87 | 55-02-22 | 629 | Throw The Oars Away |
| 88 | 55-03-01 | 630 | Free As A Bird |
| 89 | 55-03-08 | 631 | A Sprig Of Mint |