While trick-or-treating, Stuart warns the Ross kids about a ghost named Abigail. Then, at a masquerade party, Jessie meets a mysterious, masked boy who she falls for.

The show, titled "Stuart Fails to Save the Universe," will star series regulars and semi-regulars Kevin Sussman, Lauren Lapkus, Brian Posehn and John Ross Bowie.

July 9 (UPI) -- HBO Max announced Wednesday that it has ordered the series Stuart Fails to Save the Universe. It is the first Big Bang Theory spinoff exclusively for the streaming service. Kevin ...