>> if anybody needs to see friends, it is mel brooks.ht kne now finding it more difficult to social distancing himself is my dad. for him to have to sit home behind glass is brutally hard on him right now, but he is doing what he has to do because he understands that. >> reporter: americans of mel and carl's generation understand struggle and sacrifice. they both grew up during the depression and served their country in world war ii. is there a message to give to other generations from you guys about the sense we can get through this? we have done that before? >> there was a guy named hitler that was around, and he is not now. >> we can get through this. this is a breeze. we just have to grin and bear it. >> i think that the greatest generation's message to all of us is that in times of crisis, everyone has a part to play. you cannot just live your life for you. you are part of a whole. you're part of a community. and you must do your part. of course doing your part during a crisis is all relative: easier for some than others. george tak