Nextdoor co-founder Nirav Tolia guest sharks; a healthy food delivery service; an online platform for couples about to tie the knot; a nutritious take on a classic dessert; an online tool to help off-duty firefighters make additional income.

Magicians Leroya Sanford, Joshua Jay, Gabriel Gascon, and Luca Volpe try to fool the veteran duo with their illusions.

A journalist hires Magnum to track down his anonymous source after they mysteriously go dark, and Higgins receives a new assignment from MI-6. Also, Rick's old friend comes to the island, but TC is suspicious of his motives.

The Drew Crew goes on the hunt for an underground prison that may hold answers to the Frozen Hearts killings - all while following a lead on a relic that could cure George of the paranormal affliction that's shortening her lifespan. Ace tries to enlist Amanda Bobbsey in bringing her father to justice.

Abigail and Daniel represent two sisters who refuse to pay parental support to their aging mother.

Parker plans to limit the royalties he owes Tony while Tony's sons fight frozen pay. Rick gets help from an unexpected source.

A woman makes a desperate attempt to frame her friend right in front of deputies. A driver's assortment of containers raises some questions. A man in possession of a stolen truck insists that his friend is the one at fault.

When armed gunmen storm the set of a controversial cable news show that promotes conspiracy theories, the team races to prevent a hostage situation from escalating on live TV. Also, Chris supports Street as he prepares for his mother's funeral.

Bill opens this week's episode interviewing Canadian businessman Kevin O'Leary. For the panel, he's joined by Democratic Congressman Adam Schiff and talk show host Tavis Smiley.

Marty is struggling with anxiety, so his sister Phyllis persuades him to start seeing well-regarded psychiatrist Dr. Ike.

Frank causes family tension when he assigns Jamie to guard Danny after a hit is put on him, and when Frank tries to stop his cop grandson from seeking revenge after he's attacked. Eddie gets a hostile new partner, Erin's moral character is attacked by the defense when she tries an old murder case related to her boss, the D.A.

Dr. Ike convinces Marty to have a second bar mitzvah, which upsets Phyllis.

Jimmy welcomes actress Taraji P. Henson, actor Steve Zahn, and a musical performance by Damon Albarn.

Stephen welcomes actor Jeff Goldblum and Rod Stewart performance.

Classic holiday stories get a naughty makeover in this special episode hosted by puppet versions of Maury and Connie.

When torturing Alex doesn't work, Walt switches tactics. Andrea sifts through financial records tied to Hank and the PRI. Amado plans for the future.

Alex and Bradley try to accept change as a new book promises shocking revelations.

To keep up with the demands of her new job, Lidia hires a charismatic assistant. Meanwhile, Erik embraces his role as a full-time dad.

Pinky needs to get money to save Brain, and fast.

Recounts how Hawkeye employed his unique skillset to help defeat the evil plans of not just one, but three megalomaniacal beings: Loki, Ultron, and Thanos.

On Terminus, Salvor witnesses how powerful the null field has become. Brother Dawn makes a daring choice.

When he learns that an eye doctor is staying at the resort, Maximo sneaks Nora in for the day. Diane discovers problems with the hotel.

People of Mawinaken flee the overrun town to escape the rapidly approaching undead.

After qualifying for the World Debate League Invitational, the team scrambles to secure funding for the tournament.

Marty invites Dr. Ike to help out with the family business. Phyllis senses she is losing her brother and decides to take matters into her own hands.

Lennon and her surviving friends confront painful truths from the past as the shocking truth of the killer's identity is finally revealed - with deadly consequences.

Determined to make his mark on Earth, Sprig becomes a superhero.

Back in Amphibia, Olivia and Yunan try to rescue Marcy.

Tess Daly and Claudia Winkleman host as the remaining couples compete to secure a place in next week's Musicals Special.

Caron enlists Jean and Dom's help when a valuable relic from the local church is stolen, and priest Father Donadieu is discovered murdered. Meanwhile, the Connors have an eventful week when Niall's mother Niamh pays a visit and it quickly becomes apparent that she and Celine are not on amicable terms.

Jonathan is joined by Marvel stars Jeremy Renner and Hailee Steinfeld, Bake Off's Paul Hollywood, comedian Guz Khan, pop royalty Kylie Minogue and singer-songwriter Jessie Ware.

The "Cold Justice" team tackles the mysterious 1986 murder of a young Native American mother whose skull was found in the woods. Her daughter is desperate to know if her father was involved.

The Titans' antics with their imaginary friend Captain Cool annoy Robin until make-believe starts becoming real.