‘I Love You, You Hate Me’ tries to tie Barney bashing to larger cultural tides

Aside from planting that song in everyone’s head (again), “I Love You, You Hate Me” is an amusing look back at the “Barney & Friends” phenomenon, and the over-the-top torrents of hostility the PBS children’s show elicited. Yet the two-part documentary is also the soapy story of the creator and her family, which ends up eclipsing the overreaching impulse to connect the purple dinosaur to something more culturally profound.