christopher plummer could do this? ♪ that's awesome. >> i had no idea. we also learned plummer and andrews were dealing with dissolving marriages at the time. were there any romantic sparkser? >> we sort of did. we were never an item, as they say, but now we are the best of friends. we became the best of friends and that's lovely. yeah. probably because we weren't an item. >> we should have ended up together. we should have had a huge smashing affair but there was no time and julie had her children with her. most inconvenient i thought. >> most inconvenient. >> i love that line. should have had a smashing affair. he says it so delicately. >> after the movie was released in 1965, the real maria von trapp corrected julie andrews yodeling on her own show. ♪ [ yodelling ] >> please don't. i just knew you were going to come out yodelling. >> i withheld myself but you are upping the ante. >> no. ♪ [ yodelling ] >> that was better. the other one -- that's why i was nervous. that was good. i can't remember how it went. liza minnelli now. she is on the mend. did you know? >> the 69-year-old oscar, golden globe, tony and emmy award-winning actress and singer checked in to a rehab