A pickup truck bed having a tailgate operable to slidably stow underneath the floor of the pickup truck bed. The pickup truck bed further includes a first channel and a second channel integrally formed into the bed to facilitate the positioning of the tailgate such that the tailgate can be stowed underneath the floor of the bed. The tailgate further includes a plurality of wheels operable to engage the first channel and the second channel so as to slidably move the tailgate such that the tailgate is substantially underneath the floor of the pickup truck bed. The tailgate further includes a first attachment pin and a second attachment pin that are operable to pivotally transition the tailgate from a closed position to an open position. The first attachment pin and second attachment pin are further configured to be retractable so as to facilitate the tailgate being slidably transitioned such that the tailgate is underneath the floor of the pickup truck bed.