When a blimp suffers mechanical failure and its engine catches fire, Athena and the 118 must rescue victims both inside and outside a packed sports stadium. Bobby and Athena drop off May on her first day of college and discuss honeymoon plans, while Maddie and Chimney go to couple's therapy.

When Dave decides to disconnect the Johnson home from the grid, he inadvertently causes a community-wide power outage, much to Calvin's frustration. Also, in the wake of Marty's engagement, Tina struggles with no longer being the primary woman in her son's life.

Season 31 kicks off with a star-studded cast of 16 celebrities performing live for the first time.

New coach Camila Cabello joins returning coaches John Legend, Blake Shelton, and Gwen Stefani as they vie to discover and coach the next singing phenomenon.

Murdoch suspects Hart is lying about her father's death. Brackenreid leads a PI to Watts endangering both their futures.

Abishola and Kemi hatch a plan to keep Ebun and the new pastor's flirtation from growing. Also, Bob is thrown for a loop when Goodwin leaves MaxDot for a better job at Christina's company.

Following the cliffhanger season 19 finale, with Special Agent Alden Parker still on the run with his ex-wife Vivian, the team investigates who from his past might have a personal vendetta against him in hopes of clearing Parker's name. Enlisting the help of NCIS: Hawai'i's Special Agent Jane Tennant and computer specialist Ernie Malick, who are in town meeting with director Leon Vance in preparation for a global military exercise, the group tracks down their prime suspect, The Raven.

The crossover continues on NCIS: Hawai'i S02E01 Prisoners' Dilemma (II).

During a city-wide blackout, Allison and Patty head to city hall to find Gertrude's death certificate. The rest of the gang camps out in Bev's. Someone stole Kevin's generator, and he's going to solve the case.

Season Two picks up with Thony desperately trying to find her son, Luca, after he was kidnapped by his father Marco. With nowhere else to turn, she enlists the help of FBI Agent Garrett Miller to track him down before they leave the country. Meanwhile, an incident involving Chris forces Fiona to shield her son by any means necessary.

Steve profiles Stan for an essay contest at school; Francine uses a port-a-potty.

As she chases a life-changing opportunity at Shogun, Harper receives an unexpected test from Bloom. Still shocked by her response to Venetia, Yasmin has a reckoning with Celeste, her father, and the future she imagined for herself. Meanwhile, Gus pursues his next move, and Robert reaches out to a surprising source for help.

Tennant's team, along with NCIS agents Nick Torres and Jessica Knight, track The Raven's whereabouts to the island of Oahu and learn about his plans to attack RIMPAC (The Rim of the Pacific Exercises), the world's largest international maritime warfare exercise.

A new team assembles to restart the Quantum Leap project. Lead physicist Ben Song takes an unauthorized leap into 1985 as the team scrambles to figure out what happened and how to get him back.

Queen Elizabeth II is officially laid to rest, Roy Wood Jr. highlights trailblazing Black animators, and comedian Sam Morril talks about his Netflix special "Sam Morril: Same Time Tomorrow".

Jimmy welcomes actress Margot Robbie, actor Bobby Moynihan, and a musical performance by Nathaniel Rateliff & The Night Sweats.

Stephen welcomes actress Ana de Armas, filmmaker Ken Burns, and singer Sudan Archives.

While passengers aboard a fancy train, the Mighty Ones become part of a classic whodunit

A pub night in town is interrupted by alarming news about Beatrix, sending the students into a dangerous confrontation with a mysterious Blood Witch.

Ed's bad habit of pinning his crimes on unsuspecting crew mates catches up with him when Chonies is wrongfully kidnapped by an alien thief.

Rosario agrees to return home with her mom. On the run, Olivia soon encounters trouble. Penélope tells Ángel about her mother's reaction to her news.

Now an all-star edgerunner enhanced with more cybernetics, David leads his team into a new mission. An old contact reaches out to him for a big job.

In the past, Cardona journeys to the depths of hell while working undercover in the cartel. In the present, he ends up in Millán's crosshairs.

Ntsiki learns a terrible truth about Siya as she races to free Nkosi from captivity. Ayanda turns to an estranged family member for help.

After detaining the killer it seems that Marina will be forced to give up her dream of becoming a cop, but thanks to Castaño the case is reopened. Together they conclude that the killer is still on the loose and the cops propose a plan to catch him: host a masked party for the clients of the House of Water.

James welcomes actress Emily Deschanel, actor Keegan-Michael Key, and a musical performance by Black Eyed Peas.

It's biscuit week, and the bakers tackle illusion macarons and a fruity favourite, before unleashing their creativity by making a dramatic 3D mask entirely from biscuits.