It was one of the hottest films out of the Sundance Film Festival, but "Blackfish" will leave you with chills. Critics have praised "Blackfish" for being an "emotionally powerful" and "mesmerizing psychological thriller" that could double as a teaching tool. Thank you for watching CNN Films' documentary "Blackfish" for more information, please visit cnn.com/blackfish.
A science teacher by profession and a naturalist in my soul, I am horrified to see the baby killer whales wrenched from their intelligent mothers and pods only to be exploited for human profit. I can never see a captive whale again.