The Eva in her cage, submerged in a translucent aqueous solution.
The sound of Shinji's footsteps bleeding over give the impression that the Eva is seeing him off, but before long the fact that they belong to Misato and Ritsuko becomes apparent.
Woman (OFF):“EVA-01 will be entering Stage 2 refrigeration in preparation for activation system reconfiguration.”
Ritsuko:“He's gone, is he?”
SE <<Footsteps (now of Misato and Ritsuko)>>
Reichu: I never made the particular connection the script speaks of here… Oh well.
EVA-01 is reduced to a mere cameo in this episode. Why must they be so cruel to me?!? ;_;