In Beauty and the Beast 312 if Vincent and Catherine want a happily ever after they need to use a secret weapon to take Liam down.

Is Cat’s father the only one who can stop Liam? This is the penultimate Episode of Season 3! Check out the episodes image gallery and official lowdown.

This episode of season 3 airs on August 27th 2015 on the CW network. In the UK the series airs on the Watch channel.

The series stars Kristin Kreuk, Jay Ryan, Nina Lisandrello, Austin Basis and Nicole Gale Anderson.

Beauty and the Beast 312 – Trailer Gallery

Stars pictured Jay Ryan, Kristin Kreuk, Austin Basis, Nicole Gale Anderson, Ted Whittall and guest star Jason Gedrick. Click on an image for a larger view. Use arrow keys or swipe through the gallery.

Beauty and the Beast 312 – Official Information

Season 3: “Sins of the Fathers”

Blast From The Past

Liam’s (guest star Jason Gedrick) shocking history makes Cat (Kristin Kreuk) delve deeper into the Ellingsworth family, where she learns of their tragic past.

Vincent (Jay Ryan) and Cat realize that they will need to use their secret weapon if they want to take Liam down.

Meanwhile, JT (Austin Basis) has a theory about how to save himself but it involves none other than Liam. Nina Lisandrello and Nicole Gale Anderson also star.

Jeff Renfroe directed the episode written by Gillian Horvath (#312). Original airdate 8/27/2015.

Beauty And The Beast is produced by CBS Television Studios in association with Take 5 Productions/Whizbang Films and stars Kristin Kreuk as Detective Catherine “Cat” Chandler, Jay Ryan as Vincent Keller/Beast, Nina Lisandrello as Tess Vargas, Austin Basis as JT Forbes and Nicole Gale Anderson as Heather.