4x1 - The Triumph of Louis Braille

September 11, 1955

4x3 - The Boston Massacre

October 2, 1955

4x4 - The Rescue of the American Prisoners from Santo Tomas

October 9, 1955

4x5 - Moscow Today

October 16, 1955

4x6 - The Secret Message that Plunged America into World War I

October 23, 1955

4x7 - Grant and Lee at Appomattox

October 30, 1955

4x8 - The Gunfight at the O.K. Corral

November 6, 1955

4x9 - The Hoax of the Cardiff Giant

November 13, 1955

4x10 - Bannister Wins the Mile Run

November 20, 1955

4x11 - Eli Whitney Invents the Cotton Gin

November 27, 1955

4x12 - Spindletop: The First Great Texas Oil Strike

December 4, 1955

4x13 - The Chicago Fire

December 11, 1955

4x14 - Pierre and Marie Curie Discover Radium

December 18, 1955

4x15 - Washington Crosses the Delaware

December 25, 1955

4x16 - Benedict Arnold's Plot Against West Point

January 1, 1956

4x17 - The Heroism of Clara Barton

January 8, 1956

4x18 - V-J Day

January 15, 1956

4x19 - Dr. Pinel Unchains the Insane

February 12, 1956

4x20 - The Great Comstock Silver Strike

February 26, 1956

4x21 - When Stanley Finds Livingstone

March 11, 1956

4x22 - Berlin Airlift

March 25, 1956

4x23 - The Lost Battalion of World War I

April 1, 1956

4x24 - The Recovery of the Mona Lisa

April 8, 1956

4x25 - WIlliam Jennings Bryan's Presidential Nomination

April 15, 1956

4x26 - The Return of Halley's Comet

April 29, 1956

4x27 - Benjamin Franklin's Kite Experiment

May 13, 1956

4x28 - The Doolittle Raiders Take Off for Tokyo

May 20, 1956

4x29 - The Vote That Defeated Andrew Jackson for President

May 27, 1956

4x30 - Cyprus Today

June 1, 1956

4x31 - Does Not exist

4x32 - Does not exist