This week on the DC Nation Podcast, Nico and Michael cover some game-changing episodes of your favorite CW DCTV shows! The guys talk Supergirl and Mon-El, an exciting musical crossover between The Flash and Supergirl featuring the Music Meister, Oliver's deadly secret on Arrow, and shocking returns on Legends of Tomorrow. All this and so much more on this week's DC Nation! DC Headlines The Flash Season 4 Will Have a Non-Speedster Big Bad Justice League Trailer Finally Arrives The Flash Barry and Iris Wedding Won’t Be Until Season 4 The Flash: Anne Dudek to Recur as Quirky Future Genius Wonder Woman’ is officially rated PG-13 Flash Ratings Rise With Musical Supergirl Promotes Katie McGrath (aka Lena Luthor) to Series Regular First ‘Justice League’ posters released ahead of the new trailer  Arrow's Felicity Suits Up for Legends TV Shows Reviewed on This Week's Podcast Supergirl: S02E16 "Star-Crossed" The Flash: S03E17 "Duet" Arrow: S05E17 "Kapiushon" DC Legends of Tomorrow: S02E15 "Fellowship of the Spear"