Lois asks if Superman can see what color underwear she is wearing. He later responds "Pink" implying X-ray vision. Miss Tessmacher pretends to be injured. The ...

I never drink when I fly. [Superman and Lois are standing on opposite sides of a large planter]. Lois Lane : What color underwear am I wearing?

[Superman and Lois are standing on opposite sides of a large planter]. Lois Lane : What color underwear am I wearing? Superman : [looking] Hmmm..

Lois Lane: What color underwear am I wearing? Superman: [looking] Hmmm... Lois Lane: Oh, I'm sorry, I embarrassed you, didn't I?

... out from behind the lead plant box she has on her terrace, he says "pink", giving an answer to her question about what color underwear she has on).