An audio clip from Smallville was used in the Titans episode "Dude, Where's My Gar?"
The Kent House from Smallville appears to be in this year's Elseworlds crossover involving Supergirl, The Flash, and Arrow.
Tyler Hoechlin's Superman wears a black costume in this year's Arrowverse crossover on The CW.
Supergirl and The Flash executive producer Andrew Kreisberg has officially been fired following an investigation into sexual harassment allegations.
Supergirl and Flash Executive Producer Andrew Kreisberg has been suspended from the series while WBTV looks into sexual harassment allegations.
Smallville's Tom Welling is reportedly interested in making an appearance on The Flash.
David Harewood discusses his role in the Flash musical crossover with Supergirl airing tonight on The CW.
The CW has released photos from their upcoming Supergirl & Flash musical event.
The CW has released their first teaser trailer for the four-show crossover that involves Supergirl, Arrow, Flash, and DC's Legends of Tomorrow.
The move to The CW doesn't mean that Supergirl will be in the same world as Arrow and The Flash on a permanent basis.