Warner Archive Instant, the streaming service launched last month, has added the 1971-1972 NBC sitcom The Jimmy Stewart Show to its list of offerings. The series, which ran for 24 episodes, is not available on DVD.
Update: As of January 2016, The Jimmy Stewart Show is no longer available through Warner Archive Instant.
Other new additions include made-for-TV movies Flood and City Beneath the Sea, two Irwin Allen productions that are available on DVD via Warner Archive’s manufacture on demand. Here‘s the complete list of new additions although the page doesn’t say when they were added.