Season 3, Episode 5 Bang Goes the Theory

First Aired: July 30, 2013

Liz visits a volcano in Iceland; Dallas travels to Las Vegas to examine probabilities.

Cast & Details See all »

  • Premiered: July 27, 2009
  • Rating: TV-PG
  • Premise: Science and technology are put to the test by examining everyday scientific principals that are instrumental in shaping the world. (more)

Show More »

Trending TonightSee all »

Watch This

I. Marlene King and Troian Bellisario
Troian Bellisario recalls her wildest PLL fan encounters

The Pretty Little Liars star and creator recall their wildest -- and sometimes incredilbly uncomfortable -- encounters with fans