The Arrowverse's Crisis on Infinite Earths crossover will bring together DC's TV universes. 1 / 7
Former Batman star Burt Ward will make an appearance in the crossover. 2 / 7
Ward was the Robin to Adam West's Batman on the Dark Knight's iconic 60s' show. 3 / 7
Ward also appeared as Dick Grayson in Batman's 1966 movie and a '70s TV special. 4 / 7
In recent years, he reprised his role in a pair of animated films. 5 / 7
It's not clear who Ward will play in Crisis on Infinite Earths. 6 / 7
Crisis on Infinite Earths will air this fall on the CW. 7 / 7