21 gigawatts of electricity with plutonium, stolen from Libyan terrorists).After witnessing Doc""s dog Einstein""s short one-minute time-travel trip into the future ("temporal displacement") in the parking lot (at 88 mph), Doc was ecstatic.It malfunctioned and crashed in a river after an assault by a swarm of whirring, snake-like robotic Hydrobots.Rushmore at the film""s end.] At the end of the credits, the view changes to a ground-level perspective at the front of the building.The Kid tossed three round stones at a window and then fled.The Tramp conveniently walked by and was commissioned to repair he window.Meanwhile, around the block, the Kid tossed more rocks at another window.As he wound up for a third attempt to throw rocks at another window, his extended hand came into contact with a watchful cop standing behind him.We just sort of go along and nothing happens.We""re in a terrible rut.It""s been on my mind for months.What""s gonna be our future?Father: (consoling) Oh, come now, Charlie, things aren""t as bad as hat.The bank gave me a raise last January.Charlie: Money.How can you talk about money when I""m talking about souls? We eat and sleep and that""s about all.We don""t even have any real conversations.We just talk...Father:...and work.Charlie: Yes, poor mother, she works like a dog, just like a dog...When she comes back, it will be the same thing.Dinner, then dishes, then bed.I don""t see how she stands it.You know, she""s really a wonderful woman.I mean, she""s not just a mother.And I think we ought to do something for her.Don""t you think we should?Father: Yeah.What were you thinking of doing for her?Charlie: Oh, nothing I supppose.I guess we""ll just have to wait for a miracle - or something...I don""t believe in good intentions anymore.All I""m waiting for now is a miracle.Suddenly, Charlie""s spinsterish, talkative and oblivious mother Emma Newton (Patricia Collinge) [Emma was the name of Hitchcock""s mother - she died in England during filming] makes a dramatic appearance at the bedroom door, speaking her first words [and foreshadowing an "accident" that will occur later in the film]: "Those back stairs are steep.