the list is extensive, from jack benny to jay leno to flip wilson, bob hope, the midnight special and squares. and if you want to know the real history of the place, just ask our friend, veteran video engineer chuck klein. >> if you dug up studio 4, you would find the swimming pool, where they did specials, water ballet. underneath studio 1, you find a bowling alley. danny kaye used to bowl there, that is why to this day it is referred to as "the bowling alley." >> as for us, when we're in l.a., this shot will look different. the newsroom will be gone this weekend as nbc news los angeles moves into new digs. >>> when we come back from new york tonight, something different about hollywood's newest action thriller, including the audience lining up to see it. we asked people a question, how much money do you think you'll need when you retire? then we gave each person a ribbon to show how many years that amount might last. i was trying to, like, pull it a little further. [ woman ] got me to 70 years old. i'm going to have to rethink this thing. it's hard to imagine how much we'll need for