He shakes his head with a frown of his own. "...I thought it was the rain bouncing off an unstable surface. It wasn't there last night."

Exhaustion and the general sense of sensory deprivation caused by being in a downpour made adequate discernment difficult. Now that his attention had been drawn to it, he couldn't stop hearing it.

"...........Please don't tell me anything's crawling out of a television."