Bob Cummings stars in his classic sitcom, with Ann B. Davis, Dwayne Hickman,     and Rosemary de Camp. In "Thanksgiving in Joplin" (1957), the gang heads to      Missouri to spend Thanksgiving with Grandpa Collins, who's having a tough time   getting a turkey fattened up for the feast. In "Grandpa's Xmas Visit" (1955),  Grandpa Collins travels to Los Angeles for the holidays, and Bob does all he   can to keep him from dating his girlfriend. 50 mins.