[User 272336]

I think there has been changes to the Smithonian Channel site itself and their content is no longer freely available.
The addon therefore no longer functions and display the swirly loop indefinitely, In Windows 10 only a crash exit is the way out.
This addon is currently within the KODI repository.

[Martijn]

Please create a ticket to mark it broken
https://github.com/xbmc/repo-plugins/issues

[User 272336]

Done.
Thank you Martijn.

[learningit]

Version 3.0.3 fixes the above issue.
A Pull Request has been issued for the kodi.org repo. The add-on should update in a few days.

In the future it might be better to report the issue in the forum and wait awhile (at least a week) before trying to open a PR marking the add-on as broken.

[User 272336]

@learningit

Thank you for your prompt fix.

[lobsta]

@learningit Thank you!