■ In both movies we have something threatening the whole planet.

■ In both movies we have one brilliant guy figuring out the whole master plan of the threat.

■ In both movies we have one brilliant guy trying to convince the president that he has the answer against this global threat.

■ In both movies we have a deep relationship between a father and son, one or both are scientific geeks.

■ In both movies we have cars flying all over the place between buildings, caused by some massive wave of something.

■ In both movies we have a shot of the White House in foreground of whatever global threat the movie deals with.

■ In both movies we have family members desperately trying to reach each other.

■ In both movies we have people atop skyscrapers waving at ships over them.

■ In both movies we have some kind of scientific outpost getting strange readings, which is headed by some actor made famous by a previous movie in a non-human character.

■ In both movies we have massive evacuations.

■ In both movies we have fire in the sky.

■ In both movies we have cities being destroyed.

■ In both movies we have people hiding to protect themselves from the global threat.

■ In both movies we have nations uniting because of the global threat.

■ In both movies we have catastrophes being reported all over the planet before we get into the thick of the movie.

■ In both movies the global threat comes from the sky.

■ In both movies we have an exploration of a catastrophic situation that we have all thought about that comes sooner than expected.

■ In both movies the president must leave the White House and relocate.

If you have any more, please send them in with the "discuss in forum" link.