Mabel & Oliver begin investigating Arconia's West Tower and get trapped inside an ominous game. Meanwhile, Charles is visited by two individuals from his complex past.

On the day of the show’s most critical rehearsal, the pressure mounts. A familiar official returns to upend the case, Loretta’s complex past threatens to upend all else and Charles must finally sing his number without losing his marbles.

The trio have amassed a plethora (oh yes, a plethora) of clues, suspects & theories but find no concrete answers about Ben’s murder. They devise a peculiar method of throwing themselves into the actual case to recreate the final moments of Ben’s life.

Curtain call on Season 3! Charles, Mabel & Oliver race to entrap the killer on Opening Night. As the musical thrills its Broadway audience, the trio brave further twists & turns from behind, above and all around the stage.

Seeking a critical clue, Charles, Oliver & Mabel must infiltrate a film set to get the real "background" on why Sazz was killed.

The final answers to our season are revealed - but not before the trio faces mortal danger and an Arconia wedding.

Charles finds an unexpected source for a major clue. A Broadway icon comes knocking at Oliver’s door. And Mabel forms an alternate trio to pursue a lead that sheds light on Ben’s bro and CoBro history.

Charles, Oliver & Mabel begrudgingly pair off with new investigators... actors Eugene Levy, Zach Galifianakis & Eva Longoria.

The trio face off against a collection of individuals who deceive, manipulate, and threaten as second nature - a Hollywood cast & crew.

A documentary film is made by The Brothers Sisters.

Terrified by a threat inside the Arconia, the trio race out of the city. A member of Charles' family provides refuge and yet, this safe house proves to be anything but.

Charles, Oliver & Mabel combine forces with the film actors in an epic showdown against the Westies. You can't handle the truth.

Curtain up on Season 3! And Leading Man down! After Ben Glenroy's collapse on stage, Charles, Oliver & Mabel piece together the show’s first days with a suspicious cast & crew to determine if foul play was involved. Spoiler alert...

Oliver races to bring new life to his show as Mabel’s investigation into the actual murder collides with a surprising ally. Charles bonds with the cast, and Loretta proves her voice is invaluable.

Charles’s stage fright reaches unimaginable heights, involving a break from reality and multiple baby dolls. Mabel is confronted by a mysterious individual from her past with a pivotal proposal.

Charles, Oliver & Mabel are whisked to Los Angeles where a legendary film studio intends to adapt their podcast. However, Hollywood's glitz is overshadowed by a stunning clue about Charles' stunt double & friend Sazz Pataki.

Charles, Oliver & Mabel delve into the particular universe of stunt people. They encounter a suspect with an incredibly... familiar... face.

Mabel, Oliver & Charles attend Ben’s lavish memorial full of fans and those with more dubious motives. As the actor's sudden death is mourned, Oliver works to revive his shaky Broadway show.

Date night! New York proves itself both a jewel box and a fish tank of romance as Charles, Mabel & Oliver take their relationships to the next stage. And dating can reveal many hidden secrets, too...

All roads lead the trio back to the Goosebury Theater during a nerve-rattling thunderstorm. With Howard as their jittery guide, they track a legendary ghost who’s haunted the theater for generations. Boo.

One question remains: Who did it??? Oh, who are we kidding -- there's a few more questions raised, too.

In the season finale, the trio races toward a resolution while their own lives are put in danger.

With the investigation scratching at a web of old crimes originating inside the building, a mysterious young man turns the tables to spy on Charles, Oliver & Mabel.

With the residents growing upset at the building’s negative publicity, the trio faces a revolt. Charles is visited by an old colleague who sheds light on his past.

Closing in on the killer, Mabel takes her investigative talents into the ring. Oliver and Charles duke it out over a birdcage only to end up confronting their deepest paternal struggles.