Say Goodbye to Hollywood: 9-1-1 Stages Its Most Epic Disaster Yet

Leave it to FOX's 9-1-1 to imagine a world more calamitous than the one we currently face. In tonight's Season 4 premiere, our favorite first responders have their hands full after the Hollywood Resevoir dam breaks, setting off a chain of disastrous events across the city of Los Angeles.

Also today: All American returns for Season 3, things heat up on The Bachelor, and Abishola's estranged husband pays an unexpected visit on Bob Hearts Abishola. Here's what's new and noteworthy on TV this Monday:

SEASON PREMIERE: LA's iconic Hollywood Sign falls prey to a mudslide as Bobby (Peter Krause) and the 9-1-1 team race to the scene of a nearby dam break. Meanwhile, Athena (Angela Bassett) tries to help an agoraphobic woman. Watch preview. 8:00 PM ET on FOX

SEASON PREMIERE: Talk about trial by fire. Gina Torres joins the 9-1-1: Lone Star team as a new paramedic captain just as a (not-so) extinct volcano explodes below a residential swimming pool. Watch preview. 9:00 PM ET on Fox

SEASON PREMIERE: Few shows have had as challenging a time getting back to work amid the pandemic as All American, but the high school football drama pulled it off, returning tonight for a third season that sees Spencer (Daniel Ezra) returning to South Crenshaw High. Watch trailer. 8:00 PM ET on The CW

NEW EPISODE: Sarah is at the center of an emotional firestorm that envelops Matt and the other women as the rose ceremony continues on The Bachelor. Later, Matt’s biggest fear comes to pass, leaving him devastated. Watch preview. 8:00 PM ET on ABC

NEW EPISODE: When her estranged husband (Dayo Ade) makes a surprise visit on Bob Hearts Abishola, Bob (Billy Gardell) encourages Abishola (Folake Olowofoyeku) to ask him for a divorce. 8:30 PM ET on CBS

SEASON PREMIERE: Lawyer Michael Avenatti burst into the national consciousness representing porn star Stormy Daniels in her dispute with Donald Trump. Returning for its fourteenth season tonight, American Greed explores "The Trials Of Michael Avenatti," — from his dizzying rise to his abrupt downfall. Watch trailer. 10:00 PM ET on CNBC

SERIES PREMIERE: Leah Remini hosts People Puzzler, a new game show in which contestants test their pop culture acumen by completing People magazine's crossword puzzles. Watch the trailer. 6:00 PM ET on Game Show Network

Mike Attebery is Senior Editor at Primetimer and the author of seven mystery thrillers. Follow him on Twitter at @mikeattebery.