When Professor Marsh disappears while searching for the lost city of Lukachukai, his daughter enlists the help of the Three Mesquiteers.
#1The Three Mesquiteers
#2Roarin' Lead
#3Ghost Town Gold
You’re hereThe Riders of the Whistling Skull
#5The Trigger Trio
#6Heart of the Rockies
#7Gunsmoke Ranch
#8Wild Horse Rodeo
#9Come on, Cowboys
#10Range Defenders
#11Hit the Saddle
#12Pals of the Saddle
#13Overland Stage Raiders
#14Santa Fe Stampede
#15The Purple Vigilantes
#16Outlaws of Sonora
#17Red River Range
#18Heroes of the Hills
#19Riders of the Black Hills
#20Call The Mesquiteers
#21New Frontier
#22Wyoming Outlaw
#23Three Texas Steers
#24The Kansas Terrors
#25Cowboys from Texas
#26The Night Riders
#27Lone Star Raiders
#28Heroes of the Saddle
#29The Trail Blazers
#30Rocky Mountain Rangers
#31Pioneers of the West
#32Covered Wagon Days
#33Under Texas Skies
#34Oklahoma Renegades
#35Gauchos of El Dorado
#36Outlaws of Cherokee Trail
#37Pals of the Pecos
#38Prairie Pioneers
#39Saddlemates
#40West of Cimarron
#41Gangs of Sonora
#42Westward Ho
#43The Phantom Plainsmen
#44Shadows on the Sage
#45Raiders of the Range
#46Code of the Outlaw
#47Valley of Hunted Men
#48The Blocked Trail
#49Riders of the Rio Grande
#50Thundering Trails
#51Santa Fe Scouts