This issue of Clinics in Geriatric Medicine, guest edited by Dr. Daniel E. Forman, is devoted to Cardiac Rehabilitation. Articles in this outstanding issue include: Cardiac Rehabilitation: No Such Thing As 'Too Old'; Evaluating and Treating Frailty in Cardiac Rehabilitation; Utility of Home-based Cardiac Rehabilitation for Older Adults; Benefits of Smart devices, Wearables, and Other Telehealth Options to Enhance Cardiac Rehab; Resistance Training in Cardiac Rehabilitation for Older Adults; High Intensity Interval Training (HIIT) in Cardiac Rehabilitation for Older Adults; Pre-habilitation: The right medicine for older frail adults anticipating TAVR, CABG, and other cardiovascular care; Using Cardiac Rehabilitation to Adjust Medications in Older Adults: Aggressive Prevention and Deprescribing as 2 Sides of the Same Coin; Gender Disparities in Cardiac Rehabilitation Among Older Women: Key opportunities to improve care; Cardiac Rehabilitation for TAVR; Cardiac Rehabilitation for Heart Failure in Older Adults; Cardiac Rehabilitation for Peripheral Arterial Disease (PAD) in Older Adults; Cardiac Rehabilitation as Part of Management in Post-acute Care (PAC): Opportunities for improving care; and Tailoring Assessments in Cardiac Rehabilitation for Older Adults: The relevance of geriatric domains.