Prince William learned a tough lesson this year - health issues can impact any and every family! The Prince of Wales' episode of Eugene Levy's AppleTV+ series, The Reluctant Traveler, finally dropped on Friday. In it, William got very candid about how hard the past year was dealing with Princess Catherine and King Charles III's cancer battles. Related: Are Catherine & William Shading Prince Harry?? LOOK! The health diagnoses were a tough pill for him to swallow, especially since he had naively never imagined they'd be experiencing something like this.