Rudolph and Frosty leave CBS for NBC / Garrett Dillahunt joins Lanterns / Kelly Bishop boards Shrinking

PLUS: David Harbour and Jason Bateman to star in HBO dark comedy limited series DTF St. Louis.

Rudolph the Red-Nosed Reindeer and Frosty the Snowman are moving to NBC after more than 50 years on CBS
The beloved Rankin-Bass holiday specials have been holiday staples on CBS for more than half a c…