Watch Family Guy Presents: Seth & Alex's Almost Live Comedy Show for Free: How to Stream the Movie Online at 123Movies. . A commercial-free variety special starring Seth MacFarlane and his "Family Guy" co-star Alex Borstein. The half-hour special will highlight the duo's subversive and unique comedic sensibilities and feature original animation, live-action performances of "Family Guy's" most memorable musical numbers, comedy sketches and surprise celebrity guests.