Premiere episode. Jeff inherits Lassie from the late Homer Carey, but the young collie seems strangely reluctant to leave the Carey home. To make up for ignoring Jeff, Gramps brings him home a ...

First-run Lassie debuted on CBS on Sept. 12, 1954 and ran until 1973. Provost logged 249 half-hour episodes in seven years ...

NCIS is CBS's third longest-running show. Two dramas that aired long ago have more episodes, and honestly, it's unlikely the crime drama will catch up to either of them.