Nick Groff and Katrina Weidman arrive in Cleveland, Ohio to investigate a Victorian mansion’s haunted secrets. Over the course of their 72-hour investigation, Nick and Katrina capture unnerving voices pleading for help.
When Cookie discovers that Jimmy was engaged to someone else when he met her, but never mentioned it, she moves out. Now living on her own, Cookie finds a job as a bra-fitting consultant and proves to be a genius at the job.
Everyone's missing Mike, so Kazima suggests a trip out to raise the young people's spirits - but can she save the day when they get lost in the countryside?
Mary's arrival gives Dan a chance to express his feminism, but he is irritated by Mary's stern demeanor. Meanwhile, it is Spencer's birthday.
A malfunctioning machine strands Peabody, Sherman and their whole audience on the moon. Catherine the Great invents the world's first roller coaster.
Ringmaster Peabody and temporarily tattooed Sherman host a circus-themed show. Sweet Tune, Sherman and Peabody pursue a band of thieving monkeys.
Sherman and Boogaz pair up as egg parents for a school project. Engineer George Stephenson needs Peabody and Sherman's help stopping a runaway train.
Sherman is determined to set a world record. When Easter Island's famous statues come to life, it's clear that King Hotu Matu'a has something to hide.
Orchoptitron is depressed because his girlfriend dumped him. John Harrington makes the 1500s smell a lot better when he invents the toilet.
Mr. Hobson accidentally eats a shrunken Sherman. Teenage Annie Oakley shows off her sharpshooting skills in the Old West.
Sherman swaps places with an 11-year-old emperor from ancient China. Angry ghosts keep Charles Dickens from finishing his novel "A Christmas Carol."
Sleepy Sherman struggles to stay awake during the show. Superstitious sumo wrestler Akashi Shiganosuke decides to become a Kabuki dancer instead.
Pudgy Peabody can't stop eating. Spanish conquistador Ponce de León is looking for the Fountain of Youth, but he has a very short attention span.
A sophisticated spy shares his cool secret agent gadgets with Peabody. Alexander Cartwright invents baseball, but he keeps changing the rules!
Archaeologist Sherman digs up a secret from Peabody's past. Sherman and Peabody can't stop snacking on George Crum's tasty invention: the potato chip!
Nostradamus delivers a cryptic riddle on Family Fun Night. In 1805, Sacagawea helps Peabody and Sherman track down explorers Lewis and Clark.
During an overnight camping trip, the kids must use their survival skills after Emma and Xander get lost in a cave.
Cleopatra, Mark Twain and other disgruntled guests stage a protest during the show's finale. Aristophanes's jokes flop when his comic muse flees.