![Project Mc² Season 2 Episode 4 Project Mc² Season 2 Episode 4](http://images.weserv.nl/?url=//image.tmdb.org/t/p/w185/uQqbadU61mvTa3DsEWVnfy07E5U.jpg)
Project Mc² Season 2 Episode 4
Bryden analyzes Retro’s voice, which gives the girls a new idea about his or her identity; and they need to use their wiles when a blackout threatens to delay their investigation.
Bryden analyzes Retro’s voice, which gives the girls a new idea about his or her identity; and they need to use their wiles when a blackout threatens to delay their investigation.