Super Friends
Journey Into Blackness / Cycle Gang / Dive to Disaster
S5 E2:
Superman, Batman and Samurai take a "Journey Into Blackness" as they attempt to avert a black hole heading straight for Earth. Next, the Wondertwins assist a young boy and his grandfather when a "Cycle Gang" threatens them. Finally, the Superfriends "Dive to Disaster" when a nuclear-powered submarine goes out of control.