It's every episode
Star Wars: Episode I The Phantom Menace
As Obi-Wan Kenobi's first line at the beginning when Kenobi talks to Qui-Gon Jinn onboard Saak'ak
Star Wars: Episode II Attack of the Clones
Anakin Skywalker at Geonosis in the arena, in reference to the approaching execution beasts
Star Wars: Episode III Revenge of the Sith
Obi-Wan Kenobi talking to Anakin Skywalker as their starfighters approach a large, closing blast door on Invisible Hand
Star Wars: Episode IV A New Hope
Luke Skywalker, when the Millennium Falcon approaches the Death Star
Star Wars: Episode IV A New Hope
Han Solo, before the walls of the trash compactor start to close in
Star Wars: Episode V The Empire Strikes Back
Princess Leia, while inside the belly of the space slug, just before the mynocks appear
Star Wars: Episode VI Return of the Jedi
C-3PO, when entering Jabba the Hutt's palace
Star Wars: Episode VI Return of the Jedi
Han Solo, after the Ewoks start the preparations to roast him, Luke & Chewbacca
Star Wars: Episode VII The Force Awakens
Han Solo upon realizing that the Rathtars have been set loose on his freighter.