premise: Barry Van Dyke is an American doctor.
hypothesis: Barry Van Dyke ( born July 31 , 1951 ) is an American actor and the second son of actor and entertainer Dick Van Dyke plus he was the stepson of makeup artist Arlene Silver-Van Dyke and nephew of Jerry Van Dyke . Murder 101 is the name of a series of four made-for-television mystery films released by the Hallmark Channel between 2006 and 2008 , and now appearing regularly on the Hallmark Movie Channel .