Jimmy Stewart made nine appearances on Silver Theater, eight of which are available (the 9th is unavailable anywhere). All eight can be found on this disc, which also includes 35 other shows from the series.
The Stewart shows are: First Love (Parts 1-2-3-4) Up from Darkness (Parts 1-2) and Misty Mountain (Parts 1-2). The disc usually sells for about $4, with free shipping.