New trailer for Netflix’s The Imaginary is for friends and believers NETFLIXBetween Blumhouse’s Imaginary, Paramount’s IF, and Cartoon Network’s recently announced Foster’s Home for Imaginary Friends revival, the concept of dreaming up buddies to pal around with is having something of a moment. But everything about Netflix’s new trailer for The Imaginary makes it seem like the riff that could capture everyone’s h…