"D.W. Aims High"
It is almost Career Day at preschool, and D.W. is unsure of what she wants to be when she grows up, but after watching a space show on T.V., she is inspired to become to the first person to walk on Mars. The Tibbles try to trick her into believing that Mars is a dangerous place with giant martian lizards, which makes her start to wonder what's really there.
"Flaw and Order"
Dad's new crystal wedding cake platter is cracked, and Arthur is accused of breaking it after being caught on D.W.'s videotape, along with the off-screen noise of shattering glass. With the help of friends, Arthur and Buster launch a full Law and Order style investigation to find out what really happened. They become stumped trying to find out the source of an unknown sound that was also caught on tape.