SEASON 6: INTO THE
Barry and Iris find XS' parting message to them destroyed. Later
Iris finds XS' discarded costume at a junkyard.
SEASON 6: DEAD MAN
Dr Nash Wells aims to find an element named Eternium, which is the
name of the lethal shards of the Eternity Rock from which Thunder
gained her powers.
SEASON 6: THERE WILL
BE BLOOD (2019-20)
Still looking for Eternium, Nash mentions that McCulloch Technologies
stole technology from the Dominators after the events of Invasion!.
SEASON 6: LICENSE
TO ELONGATE (2019-20)
Allegra uses her UV powers to locate chucks of Eternium in the cavern
wall hiding a portal to the Monitor's dimension.
SEASON 6: THE LAST
TEMPTATION OF BARRY ALLEN, PT 1 (2019-20)
In an induced hallucination, Barry sees daughter Nora as a toddler
in her cot, with a mobile displaying the emblem she will use for
her guise as XS when she grows up.
SEASON 6: MARATHON
Cisco grapples with the post-Crisis consolidated Earth, using a
map of various timelines and a Who's Who binder, both of which feature