1. A method comprising: receiving cardiac electrogram (EGM) signal data from an implantable medical device (IMD), the EGM signal data including a plurality of detected cardiac episodes, each of the plurality of cardiac episodes classified by the IMD as at least one of a ventricular tachycardia/ventricular fibrillation (VT/VF) episode, a supraventricular tachycardia (SVT) episode, a ventricular tachycardia non-sustained (VTNS) episode, an atrial tachycardia/atrial fibrillation (AT/AF) episode, a monitored VT episode, or a ventricular oversensing (VOS) episode; conducting a retrospective analysis of each of the plurality of cardiac episodes, the retrospective analysis providing a retrospective analysis classification; and selecting, using a processor, a subset of the plurality of cardiac episodes for display based at least in part on at least one of the IMD classification and the retrospective analysis classification, wherein for each episode category including at least one episode, the subset includes greater than or equal to one episode and less than or equal to a predetermined number of episodes.