Mr. Martin Timeline and Summary

Along with his wife, shows up late for his dinner engagement with the Smiths.
Can't remember who Mrs. Martin is.
Figures out he traveled on the same train and same car as Mrs. Martin.
Deduces that he lives on the same street and sleeps in the same bed.
Discovers that they both have a daughter named Alice with one red and one white eye.
Concludes that Mrs. Martin must be his wife Elizabeth.
Goes to sleep.
While he's asleep, Mary tells us that he's actually not who he thinks he is at all.
Wakes up and vows that he and Mrs. Martin will never forget each other again.
Makes awkward conversation with the Smiths.
Announces that he saw a man quietly reading the paper.
Sides with Mr. Smith in the great doorbell debate.
Listens to the Fire Chief's crazy stories.
Is affronted when Mary wants to tell a story.
Starts spouting crazy nonsense like everybody else at the end of the play.
Begins the play again in place of Mr. Smith.