Charlie Chaplin's boys return from Europe in 1932

The video introduces the speaker's grandchildren who have returned from Europe after nine months. A forgotten movie contract is briefly mentioned. The speaker introduces Tommy and Charlie, followed by a friendly greeting to the audience.

What did the speaker mention about their grandchildren?

How long were the grandchildren away in Europe?

What did the speaker forget regarding a movie?

Who are the two individuals mentioned by the speaker?

What greeting does the speaker use?