Plot summary
Lois arranges for Francis to come home on Hal's birthday as a surprise, but the real surprise is on everyone else when Francis arrives with a wife, Piama ( Emy Coligado ). Malcolm, Dewey, and Reese are immediately sent to bed while the arguments rage on with Lois and Francis. The boys sneak off to a hotel with Hal's credit card to start a new life, but are soon caught. The entire family eventually do celebrate Hal's birthday before Francis and Piama return to Alaska.
Credits
Adapted from Wikipedia contributors, Malcolm in the Middle season 3. HTML formatting and reference markers removed.