Wharton, trailing Red Leary and his gang, learns that the men intend to wreck the Limited. Curley, a fireman, is implicated. The crooks become aware of Wharton's presence and attack him. Helen comes to the detective's rescue with a revolver and captures one of the men.
#1The Escape on the Limited
#2The Stolen Engine#3The Plot at the Railroad Cut#4The Black Diamond Express#5The Girl at the Throttle
#6Helen's Sacrifice#7The Flying Freight's Captive
#8The Wrong Train Order
#9The Girl on the Bridge#10A Life in the Balance#11The Fate of Number One#12A Deed of Daring#13The Human Chain#14Crossed Wires#15The Open Drawbridge#16The Girl and the Special#17The Watertank Plot
#18The Pay Train#19The Girl on the Trestle#20The Little Engineer#21The Railroad Raiders of '62#22The Rescue of the Brakeman's Children#23The Dynamite Train#24The Midnight Limited#25A Wild Ride#26Danger Ahead!#27The Girl on the Engine#28Train Order Number Forty-Five#29The Death Train#30The Girl Telegrapher's Peril#31The Fiend at the Throttle#32The Engineer's Peril
#33In Danger's Path#34The Runaway Boxcar#35The Substitute Fireman#36The Red Signal#37The Box Car Trap#38The Broken Circuit
#39The Hazards of Helen Ep26: The Wild Engine
#40Nerves of Steel#41The Fast Mail's Danger#42A Perilous Chance#43The Girl at Lone Point#44The Tramp Telegrapher#45A Test of Courage
#46A Railroader's Bravery#47A Boy at the Throttle#48A Mile a Minute#49A Girl's GritYou’re hereThe Limited's Peril#51The Broken Rail#52A Matter of Seconds#53Near Eternity#54A Race for a Crossing#55The Girl Engineer#56The Broken Train#57The Leap from the Water Tower#58The Night Operator at Buxton#59The Hazards of Helen: Episode13, The Escape on the Fast Freight
#60A Race with Death#61The Lone Point Mystery#62The Spiked Switch#63Tapped Wires#64The Peril of the Rails#65The Girl Telegrapher's Nerve#66With the Aid of the Wrecker#67Hurled Through the Drawbridge#68The Haunted Station#69The Runaway Sleeper#70The Vanishing Box Car#71The Forgotten Train Order#72At Danger's Call#73A Daring Chance#74The Trail of Danger#75The Secret of the Box Car#76The Broken Wire#77Defying Death#78The Perilous Swing#79The Treasure Train#80A Race for a Life#81The Lost Messenger#82The Capture of Red Stanley#83The Governor's Special#84The Girl Who Dared#85The Human Telegram#86A Race Through the Air#87When Seconds Count
#88A Plunge from the Sky#89To Save the Road#90The Broken Brake#91The Lineman's Peril#92To Save the Special
#93The Midnight Express
#94One Chance in a Hundred#95The Mysterious Cipher#96The Race for a Siding#97The Record Run#98The Open Track#99The Blocked Track#100The Switchman's Story#101At the Risk of Her Life#102The Engineer's Honor#103The Detective's Peril#104A Mystery of the Rails#105Ablaze on the Rails#106The Hoodoo of Division B#107The Trial Run#108The Death Swing#109The Trapping of 'Peeler' White#110The Bridge of Danger#111The Gate of Death
#112In Death's Pathway#113The Wrecked Station#114The Death Siding#115The Mogul Mountain Mystery#116The Fireman's Nemesis
#117The Hazards of Helen#118The Railroad Claim Intrigue#119The Sidetracked Sleeper#120The Prima Donna's Special