The episodes are on cbs.com
https://www.cbs.com/shows/holiday_central/video/jb5jBvpi2l4YXNxtwIUqIa0QCFI9CU0S/i-love-lucy-christmas-special-2018-/
https://www.cbs.com/shows/holiday_central/video/hJn3FUAxUdF_haoXgUT40mBlJcW650jX/the-dick-van-dyke-show-now-in-living-color-2018-/