
The Mysterious Benedict Society follows four gifted orphans who are recruited by an eccentric benefactor for a secret mission. Placed undercover at a boarding school known as The Institute, they must foil a nefarious plot that has global ramifications while creating a new sort of family along the way.

Four gifted orphans vie for a prestigious scholarship. The final result is stranger than imagined.

Mr. Benedict sends the kids on an undercover mission to infiltrate the L.I.V.E. Institute.

The kids strive for academic success without revealing their investigation to Dr. Curtain.

Reynie and Sticky pursue the coveted Messenger status while the girls try to stay afloat in class.

Reynie and Sticky are invited to join the Messengers and come face-to-face with the device behind The Emergency's secret transmissions – The Whisperer. After their previous mode of communication is compromised, Number Two suggests an alternative means of reaching the children. Kate and Constance follow a lead from Mr. Benedict to uncover a secret entrance to Dr. Curtain's lab, just as Dr. Curtain gears up to advance the next phase of his plan: The Improvement.

Mr. Benedict reveals the truth about his past with Dr. Curtain – and how he may be partly to blame for Curtain's misdeeds. The adults agree the mission has gotten too dangerous to continue. Sticky is given a special task during Messenger duty and begins to question his loyalties. Kate and Reynie develop their respective friendships with Martina and Curtain's son, SQ, and use them to advance the mission.

Kate embarks on a solo mission that raises Curtain's suspicions and endangers the team.

With free will and truth on the line, The Mysterious Benedict Society prepares for a final showdown.

The Mysterious Benedict Society kids must venture out on their own to find two of their leaders.

The kids stow away on a ship. Benedict and Number Two try to escape Curtain's compound.

The children make some dangerous wagers while Benedict takes a gamble with Curtain.
Complete episode guide for The Mysterious Benedict Society with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
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Constance gets the kids closer to finding the compromised Mr. Benedict by using her gift.

The kids enlist an ally. Constance faces off with an old enemy. Number Two confronts Dr. Curtain.

The Society splits up to escape an attack. Number Two and Mr. Benedict plot against Dr. Curtain.

After seeing the adults acting strangely, the kids spring into action. Curtain hosts a celebration.

Freshly arrived at a haven from Number Two's past, The Society bands together to stave off disaster.