TIL that six actors of "The Brady Bunch" reprised their roles for an extended dream sequence in a 1989 episode of the sitcom "Day By Day" and a main actor in "Day By Day" went on to play Greg Brady in The Brady Bunch Movie and A Very Brady Sequel.
https://en.wikipedia.org/wiki/Day_by_Day_(American_TV_series)#%22A_Very_Brady_Episode%22
