He's screaming and crying, his voice already torn to shreds screaming from pain, but to him nothing can ever compare to the pain of death.
'Not again, not again, please no, I don't want to die again, please.'
They never try to make him go through the Zeta again.
DP x DC where Danny refuses to use the Zeta Beam/Tube. No-one knows why, and it’s almost a running gag that they have to wait an extra few minutes for Danny to join them wherever they’ve gone since he takes a little longer to get there.
It’s not until someone tries to carry an injured Danny through a Zeta-Tube in order to get him to medical attention faster, that they realize why when he absolutely freaks out.
He’s scared.
It looks so much like the portal.