Hapless museum night watchman Larry Daley must help his living, breathing exhibit friends out of a pickle now that they've been transferred to the archives at the Smithsonian Institution. Larry's (mis)adventures this time include close encounters with Amelia Earhart, Abe Lincoln and Ivan the Terrible.
A successful professional baseball player gets his ego in check via an unreality check when he travels back in time to his boyhood sandlot ball-playing days.