The girls' acting skills are put to the test when actress Tia Mowry gives the group an acting lesson, after which they are put to the test with actor Efren Ramirez. The winning model and a friend get unexpected visits. Finally, models from past seasons join the current models in a photo shoot highlighting the series' most scandalous events.

Elizabeth Prentiss, a foreign ambassador and SSA Emily Prentiss' mother, seeks the aid of the BAU when a Russian immigrant is kidnapped and held for ransom.

Episode info coming soon ..

It's another hypnotic MythBusters episode, full of sound and fury, and guaranteed to have you spellbound. Grant, Tory and Kari go deeper ... deeper ... deeper into the world of hypnosis, while Adam and Jamie appear to be under some sort of influence as they make extraordinary noise in the name of science. In "Voice Flame Extinguisher," Jamie and Adam set out to discover if it's possible to put out a fire using only your voice. According to the myth, concentrated sound waves can prevent air from getting to the flames and, starved of oxygen, the fire dies. One thing's for sure, the boys' voices aren't gonna set the world on fire!

Once again Ms. Garrison gets dumped, but this time she decides to take it out on her fourth grade class. When the boys have finally had enough of their teacher's erratic mood swings and excessive homework assignments, they find out that there are people-for-hire that can help out in any situation. Meanwhile, Ms. Garrison is finding life without men has its upsides.

Stephen introduced the latest eponymic animal, Stephanie Colburtle, one of the leatherback sea turtles being tracked from Costa Rica to the Galapagos Islands. In "The Word", Stephen revisited Monday's story about the 15 British sailors; in response to a British colonel making the distinction between the soldiers' experiences and reality TV, Stephen devised the notion that perhaps Americans should "make the war a reality show" to achieve success in Iraq and to prepare for a future "spin-off in Iraq."