<blockquote>Sheppard's in hell, and there is only one way to break free </blockquote>
➤ not quite a timeloop, but keeps on experiencing scenarios where a team-member is dying and he has to save them, and then afterwards nobody else remembers that happening. And the only way to break free is to not save someone.
https://web.archive.org/web/20160506175312/http://rhymer.org.uk/sga/sisyphus.htm
