Boy have we got a crazy episode for you this time! 1961's Justice League of America #5, with the first appearance of Dr. Destiny! 2017's Justice League of America: Rebirth #1! DC / Hanna-Barbera crossover special quick-shots! And Marvin the Martian drops by to discuss 2017's Martian Manunter/Marvin the Martian Special #1. And for Character Karaoke, Marvin and J'onn sing "Martian's Lament"! You can't unhear it!