British MAD 1989

Here's more of the British edition of MAD and the MAD-ese of its overseas contributors. This time parodying Tomorrow's World and Blue Peter

Here are some examples of the shows being parodied.

This is trying to be the one-pagers similar to Don Martin, except that I don't get this, and this time it's not a language barrier. Is the convict now one of the shooters? If so, the artist didn't execute it well. Anyone know if this was in the American Mad?