Shortly after Freeze attacks the charity auction and makes a getaway, Batman heads off in pursuit of Freeze, but Robin lingers behind, entranced by Poison Ivy, forcing Bats to come back, grab Robin's arm and pull him away.
CRASH! "Hi, Freeze. I'm Batman."
Freeze shouting "KILL THE HEROES! YES! KILL THEM! KILL THEM! YES!" as his Mooks leap out and advance on the Dynamic Duo.
Freeze wearing a blue robe and polar bear slippers, and urging his Mooks to sing along with a Christmas special before finally giving up.
Woodrue: (after attacking Pamela) Yes. Yes, let the toxins and chemicals burn a grave for you deep in the earth you love so much! Bye-bye, dear! FELLOW MANIACS! BIDDING...BEGINS!
"Time to scream!"
Batman's credit card. That lasts forever.
Batman: Never leave the cave without it.
"A laundry service that delivers! Wow!"
The look on Freeze's face after Batman apprehends him.
Before that, Freeze hits the coming Batmobile with an ice blast and believes the Bat is dead. He laughs evilly until he looks and sees that Batman not only survived, but is swooping down toward him. His reaction right before Batman crashes through the window of his vehicle is priceless.
When someone falls to the floor nearby a second afterward, Freeze goes "Oh! That's my exit cue!"
After Freeze freezes Robin and makes his escape, he seals the hole he escapes through behind him with an ice blast, then leans back into view, wipes away some condensation and waves at Batman before leaving.
During Freeze's attack at the auction, Batman fights one of Freeze's goons and knocks him out by driving his fist through an object the goon had been wielding as a weapon. As the goon stands dazed, we get this: