Arthur - 10x08 - D.W. Aims High- Followmy.tv

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.