Veronica

Season One Episodes

 * "Elementary" (first appearance)

Season Two Episodes

 * "The Power Files"
 * "A Hero Too Far"

Season Three Episodes

 * "I Lost My Parts"
 * "A Talented Mr. Stronghold"

Season Four Episodes

 * "Lost & Founded"

Season Five Episodes

 * "Transylvania"

Season Twenty Episodes

 * "The High School Planet" (final appearance)