Video ClipsSee all »
Watch See all »
Meredith dreams about what-ifs in flashbacks. Among them: Her mother didn't get Alzheimer's; she hadn't met Derek in a bar, and he stayed with Addison; Bailey had remained as meek as she was as an intern; and Callie and Owen had become a couple long before (more…)
In the Season 11 finale, the search for the Puppeteer, a serial killer who turns his victims into marionettes, continues, but Brennan can't shake her guilt of failing to catch the perpetrator due to her brief period of retirement.