What’s a girl to do when, just hours before her long-awaited marriage, some other guy tries to strong-arm her into wedlock! Such is the slim dilemma driving the sassy, flashy new musical comedy, “Honeymoon in Vegas.”

A boy reaches out to pet a neighbor’s dog. It sounds so cozy, except the dog onstage that begins the Broadway production of the National Theatre’s “The Curious Incident of the Dog in the Night-Time” has just been murdered with a giant garden pitchfork.

If we don’t take a chance sometimes in life, are we doomed to live with regrets?