MONDAY, DECEMBER 23

[EDITOR'S NOTE: Audio descriptions (AD) for tonight's episodes of 9-1-1 and PRODIGAL SON are available on the SAP Audio Channel.]

--"9-1-1" - (8:00-9:01 PM ET/PT) CC-HDTV 720p-Dolby Digital 5.1

PA: Viewer Discretion is advised.

THE FIRST RESPONDERS ARE INVOLVED IN AN EMERGENCY AT A HIGH-RISE FIRE DRILL ON "9-1-1" MONDAY, DECEMBER 23, ON FOX

Ronda Rousey Guest-Stars

The first responders race to save workers in a high-rise during a fire drill; a mother and her sons involved in a perilous car accident; and squabbling siblings fighting over a family heirloom. Meanwhile, Buck delivers surprising news to Bobby, Eddie helps Christopher cope with the trauma of the tsunami, Hen and Karen debate expanding their family and Maddie decides to take action against a possible wife abuser in the "Triggers" episode of 9-1-1 airing Monday, Dec. 23 (8:00-9:01 PM ET/PT) on FOX. (NIN-305) (TV-14 L, V)

Cast: Angela Bassett as Athena Grant; Peter Krause as Bobby Nash; Jennifer Love Hewitt as Maddie Kendall; Oliver Stark as Evan "Buck" Buckley; Kenneth Choi as Howie "Chimney" Han; Aisha Hinds as Henrietta "Hen" Wilson; Rockmond Dunbar as Michael Grant; Ryan Guzman as Eddie Diaz; Corinne Massiah as May Grant; Marcanthonee Jon Reis as Harry Grant; Gavin McHugh as Christopher Diaz

Guest Cast: Ronda Rousey as Lena Bosko; Tracie Thomas as Karen Wilson; Declan Platt as Denny Wilson; Bryan Safi as Josh Russo; Scott Wilder as Alan; Jordan Belfi as Chase Mackey; Jonathan Ohye as Dr. Lin; Paula Jai Parker as Judith Spivey; Aiden Berryman as Camden; Jonny Berryman as Jonny