i have a great suggestion, it's called "young frankenstein." >> penny for your thoughts. >> it will do. >> reporter: show biz has been good to both of them. their resumes are hollywood comedy history. including the dick van dyke show for carl, and "blazing saddles" for mel. >> hi, i'm max brooks. >> reporter: max brooks is mel's son, also an historian. >> reporter: is it difficult for him not to see his friends? >> if anybody needs to see friends, it is mel brooks. i believe there is probably no one in america right 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. >