After their battle with the Juggernaut, Xavier sends the X-Men on vacation; Reading a story in the paper about Dr. Trask and his story on the mutant menace, Professor X calls for a televised debate with the anthropologist; During the broadcast, Trask unveils his Sentinels, robots who were built to capture and nullify mutants, but things quickly get out of hand as the Sentinels proclaim themselves superior to puny humans and prepare to take over; Xavier calls his X-Men to help and they return to battle the Sentinels; When one of their number falls, the giant robots capture Trask and return to their base; The X-Men follow and find a hidden complex complete with devastating weaponry aimed directly at them. Reprinted from X-Men #14 and #15.
Characters: X-Men [Professor X [Charles Xavier]; Cyclops [Scott Summers]; Marvel Girl [Jean Grey]; Angel [Warren Worthington III]; Iceman [Bobby Drake]; Beast [Hank McCoy]]; Zelda Kurtzberg; Boliver Trask; Master Mold
Script: Stan Lee
Pencils: Jack Kirby; Werner Roth
Inks: Vince Colletta; Dick Ayers
Letters: Artie Simek
