Midnight

When a massive blackout threatens to stop the finale fromairing, the whole cast has to band together to light up thestage. Reggie attempts a rapprochement with Gabby, while Nickworks to convince the network that this show is somethingspecial. Meanwhile, the rest of the cast deals with nervesover their final performance and Brittney gets a shockingsurprise.

Abishola gets the surprise of a lifetime when she finds out Bobhas flown in Dele and her mother, Ebun, from Nigeria.However, the joy is cut short when Ebun's constant criticismmakes Bob question his success as a businessman.

The 118 are called to series of emergencies around ChristmasEve. Eddie struggles with an emotional Christopher.

The Top 8 artists perform individual songs and special'90s-themed duets for their chance at a spot in the finale.

Calvin decides to splurge on an expensive jacket, then worriesit's too special to risk wearing outside the house. Also, Daveand Gemma worry their new friends' daughter is a bad influenceon Grover.

Everyone is excited for Senior skip day, and Spencer plans aromantic getaway at the cabin for he and Olivia, but when thegang shows nothing goes as he had planned. Surprising newsmakes Jordan and Simone realize they might not be as preparedfor their new reality as they had hoped. Now that Patience isback from tour, she and Coop can't seem to get on the samepage when it comes to their relationship. Meanwhile, Billy,Grace, Laura and Principal Carter team up with an unlikelyally as they go on an adventure in the halls of South CrenshawHigh to track down relics of the past

When a hotshot financial advisor is found shot at a navalstation, NCIS investigates the case by interviewing thevictim's three-dimensional hologram of herself, which shecreated before her death.

Bayside takes part in the spirit competition. Mac asks Zack forthe secret to beating Valley.

Bayside holds a dance-a-thon: Jessie and Slater pull a prank.Aisha is nervous to dance.

Lexi pushes DeVante to audition for a boy band: Jessieencourages Kelly to apply to medical school.

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Aisha questions her cultural identity during a Spanish class.Jamie tries to prove he has a talent.

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Slater worries about falling into old patterns. Kelly and Lisaencourage Jessie to date again.

When West Beverly bans a trans girl from the soccer team, Lexiaddresses the issue with a play.

Zack is the new substitute teacher at Bayside. DeVante meetsNadia's parents.

Tensions arise when Lexi and Aisha work a Teen Line event.Slater and Jessie cut class.

Aisha tries out for the wrestling team. Daisy has a crush onGil, the new student council VP.

James welcomes actor Jeff Goldblum, actress Caitriona Balfe,and comic Sophie Buddle.

Stephen welcomes actress Rosamund Pike and film director PeterJackson.

James welcomes actor Nicholas Hoult, comic Aisling Bea, and amusical performance by BTS.

Stephen welcomes an interview with and musical performance byLady Gaga with Tony Bennett.

James welcomes actor Adrien Brody, actress Zazie Beetz, and amusical performance by Little Simz.

Stephen welcomes actor Andrew Garfield and chef José Andrés.

Claudette begins to assert her independence, while Rev keepshis flock close, further raising Jharrel's suspicions.Meanwhile, LaDonna considers her next move, Keisha has a datewith Jessica , and Andre is concerned by his latestdiscovery.