B:TB&tB season 3 episode 13
B:TB&tB season 3 episode 13 "Four-Star Spectacular!" Directed by Ben Jones.
The Adam Strange segment generated the most amount of new backgrounds since the Kanjar Ro character kept zapping from one alien planet after another. Most of these backgrounds were on the screen for a few seconds each.
"Batman: The Brave and the Bold" ™Warner Bros. Animation.