Barry, Caitlin and others in “Unfinished Business”

Barry

Did you ask Julian to join Team... Star Labs?

Caitlin

I know, he's an acquired taste, but–

Cisco

Yeah, well he is Doctor Alchemy, the big bad's little bad.

Iris

Yeah, he gave Wally his powers.

Wally

That I don't mind.

Caitlin

Guys, I need his help. I'm sorry Cisco, but these cuffs, they aren't cutting it. Every night when I go to bed, I'm afraid that I'll wake up... be her. Maybe Julian can think of something that we haven't. [pause] Barry, when your mom was murdered, Joe and Iris, they took you in. Cisco, when Dante died, I slept on your couch to keep you company. The things we see, the things that we face, no one can do this alone. Trying is the biggest mistake that you can make.