Chaos reigns at the natural history museum when night watchman Larry Daley accidentally stirs up an ancient curse, awakening Attila the Hun, an army of gladiators, a Tyrannosaurus rex and other exhibits.
As Halloweentown prepares to celebrate its 1,000th anniversary, Marnie Piper and her brother Dylan return to Witch University, where trouble is in session from the Sinister Sisters and from someone who's plotting to use Marnie's powers for evil.
To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise.
To test its top-secret Human Hibernation Project, the Pentagon picks the most average European-Americans it can find - an Army private and a prostitute - and sends them to the year 2505 after a series of freak events.
A young woman from the Midwest gets more than she bargained for when she moves to New York to become a writer and ends up as the assistant to the tyrannical, larger-than-life editor-in-chief of a major fashion magazine.
In 2027, in a chaotic world in which humans can no longer procreate, a former activist agrees to help transport a miraculously pregnant woman to a sanctuary at sea, where her child's birth may help scientists save the future of humankind.