An ad for the spooky show was too "shocking and menacing," a lawsuit charges.
Changes will hit the 1, 2, 4, 5, 6, 7, A, C, E, F, 42nd Street Shuttle and Franklin Avenue Shuttle.
Due to "temporary power loss" systemwide, all subways were briefly running with delays, the MTA said.
The man exposed himself to the girl and a woman on the 5 train, police say.
Brooklyn and Queens riders can expect more trains.
Two men tried to rob a passenger on a Q train Tuesday, police said.
Police said the suspects fled into the Botanic Garden train station after the robbery.
The change is to meet ridership demand, which is at an all-time high, according to the MTA.
Riders complained that the 7 train was delayed Tuesday morning.
Authorities believe the man jumped in front of the train at Grand Central station Monday afternoon.
Joshua Garcia said the "power of the Lord" led him to save Stephanie Xue from Union Square subway track.
The 2, 3, 4, 5, 6, A, C, E, F, G, J, M, N, Q, R and S lines will be affected this weekend.
A man was buying a MetroCard when a thief hit him with a hammer and demanded his money, police said.
The F had more than 300 delay alerts in 2013, more than any other line, a transit advocacy group said.
Upgrades and maintenance is scheduled across 15 subway lines late Friday until early Monday.
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