Things get spooky when Tina dissects a fetal pig in science class. Bob and Linda battle a giant ball of earwax.

The network decides that it's time to explore some unique ways to reboot the series. When three versions of the reboots are shown to a focus group, the feedback takes some surprising turns.

Our heroes crash land in the virtuous harmony, where an angelic guardian helps them find the Beast of the beginning, and the gang fights an old foe over the fate of the multiverse.

Elizabeth must decide whether to use autonomous unmanned weapons or send U.S. soldiers to bring the mastermind of the UN gas attack to justice. Blake is questioned by Senator Hanson about potential campaign finance violations related to his love life. Henry and Elizabeth search for the perfect dog.

Whiterose has the feels. Elliot gets owned by his own hack. An old foe waits.

While Callen and Sam are aboard the USS Allegiance, the ship is placed under quarantine for possible Ebola exposure. Also, Kensi and Deeks investigate the murder of a petty officer who recently departed the USS Allegiance and is linked to the Ebola exposure.

Kara attempts to mend her relationship with Lena. J’onn J’onzz takes a deep dive into his memories while Kelly tries to help an old friend.

As controversy swirls around Noah, Helen and Whitney must decide where their allegiances lie.

Horrors include a demon Maggie, a mission to rescue Milhouse from another dimension, dead-Homer’s spirit trying on some new bodies for size, and Selma finally finding love in an unlikely place.

Jimmy welcomes actor Alec Baldwin, actress Kate Beckinsale, and a musical performance by Young Thug ft. Gunna.

The threat of the Whisperers return leads to paranoia sweeping over Alexandria. Carol battles with the need for revenge.