Lockwood, the old, one-armed flagman at Lone Point, tells Helen and a young soldier of his experiences during the Civil War, and how he lost his arm. The Civil War flashback sequences consist of archive footage from Kalem's Railroad Raiders of '62 (1911), rather than newly filmed footage.
#1The Stolen Engine#2The Girl at the Throttle
#3Helen's Sacrifice
#4The Flying Freight's Captive#5The Escape on the Limited#6The Plot at the Railroad Cut#7The Black Diamond Express
#8The Girl and the Special#9The Rescue of the Brakeman's Children#10The Dynamite Train#11The Watertank Plot
#12The Pay Train
#13The Hazards of Helen Ep26: The Wild Engine
#14Nerves of Steel#15The Fast Mail's Danger#16A Perilous Chance#17The Girl at Lone Point#18The Tramp Telegrapher#19A Race for a Crossing#20The Death Train#21The Girl Telegrapher's Peril#22The Fiend at the Throttle#23The Engineer's Peril
#24In Danger's Path#25The Runaway Boxcar#26The Substitute Fireman#27The Red Signal#28The Box Car Trap#29The Broken Circuit#30A Test of Courage
#31A Railroader's Bravery#32A Boy at the Throttle#33A Mile a Minute#34A Girl's Grit#35The Limited's Peril#36The Broken Rail#37The Leap from the Water Tower#38The Midnight Limited
#39The Wrong Train Order#40The Little Engineer#41A Life in the Balance#42The Fate of Number One#43The Open Drawbridge#44A Matter of Seconds#45The Night Operator at Buxton#46The Hazards of Helen: Episode13, The Escape on the Fast Freight#47The Girl Engineer#48The Broken Train#49Near Eternity#50A Deed of Daring#51The Human Chain#52Danger Ahead!#53Train Order Number Forty-Five#54The Girl on the Trestle#55The Girl on the Bridge#56A Wild Ride#57Crossed Wires#58The Girl on the EngineYou’re hereThe Railroad Raiders of '62
#60The Trail of Danger#61The Secret of the Box Car#62The Spiked Switch#63Tapped Wires#64When Seconds Count#65The Broken Wire
#66A Plunge from the Sky#67To Save the Road#68The Broken Brake#69The Lineman's Peril#70To Save the Special
#71The Midnight Express#72Defying Death#73A Race for a Life#74The Peril of the Rails#75The Blocked Track#76The Girl Telegrapher's Nerve#77The Treasure Train#78The Capture of Red Stanley
#79One Chance in a Hundred#80The Mysterious Cipher#81The Race for a Siding#82The Record Run#83The Open Track#84The Trial Run#85The Switchman's Story#86At the Risk of Her Life#87The Engineer's Honor#88The Detective's Peril#89A Mystery of the Rails#90Ablaze on the Rails#91The Hoodoo of Division B#92With the Aid of the Wrecker#93Hurled Through the Drawbridge#94The Haunted Station#95The Runaway Sleeper#96The Vanishing Box Car#97A Race Through the Air#98The Death Swing#99The Gate of Death
#100In Death's Pathway#101The Bridge of Danger#102A Race with Death#103The Forgotten Train Order#104At Danger's Call#105A Daring Chance#106The Perilous Swing#107The Lost Messenger#108The Trapping of 'Peeler' White#109The Governor's Special#110The Girl Who Dared#111The Human Telegram#112The Lone Point Mystery#113The Mogul Mountain Mystery#114The Fireman's Nemesis#115The Death Siding
#116The Hazards of Helen#117The Sidetracked Sleeper#118The Wrecked Station#119The Prima Donna's Special#120The Railroad Claim Intrigue