Professor Norman Wedgwood and his team are planning another rocket mission to the Moon. Once again, Geoff, Valerie and Jimmy are on hand to witness the launch of a new rocket MR1, along with journalist friend Conway Henderson. However, when the automatic supply ship MR2 fails to launch Henderson and the children make a desperate rescue attempt with Jimmy's pet Hamlet.
Release Date: September 11, 1960
Last Aired: October 23, 1960