Sociology professor Gerry Grzyb’s annual transformation into Dr. Christmas has begun. The show will air on WRST (90.3 FM and www.wrst.org) and Titan TV from 1-5 p.m. with holiday specials from 5-8 p.m. Dec. 19, 1-8 p.m. Dec. 20, 1-9 p.m. Dec. 21, 1-9 p.m. Dec. 22, 1-9 p.m. Dec. 23 and 1-6 p.m. Dec. 24. Read more at postcrescent.com.