“The Big Bang Theory” and “Young Sheldon” -- The Top 25 Programs of 2017, No. 7

All hail Chuck Lorre for continuing to supply CBS with its only reliably funny sitcoms, most notably the much-loved nerdgasm The Big Bang Theory -- now in its 11th season and still mindboggling in its complete absence of creative fatigue -- and the marvelous Mom.  Plus the new kid on the block.