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“Let’s go, my student!” said Hardiman.
But there was no moon trip, but a giant spaceship in a field. “We’re back.” said Joe.
“We’re lost in a time loop. This is nowhere.” said the Professor.
An ice cream van drove over Joe’s boot-shaped computer. “That’s my Time Spirit container!”
“Sorry!” said the ice cream lady.
The Professor rebuilt the computer to get home. “We’re in an invisible wheel to get us home!”
The Professor and Joe were seemingly in Cambirdge. "It's 2020, the year of the rat. Ginat rats are eating students!" said Joe.
The Professor realised that the adult Joe was an eccentric antiques dealer. "He's a TV personality chasing the rats."
Adult Joe was dressed as a chimeny-sweep. "I had this alternative self."
Young Joe pricked a wire, causing the rats to vanish. "I'm changing my own history for the better."
Adult Joe bumped into young Joe, creating an "alternative Joe" clone that could only be seen by both Joes. If the clone interferes with matter, time will collapse. I must go to the Time Server in Australia."
The Time Experiments in Australia caused kangaroos to be high-speed, since they now worked in another time-dimension, but remained in the same space.
"The German Nazis from World War Two are technicians plucked from eighty years before." the Professor noticed.
"I'm Hans of the Reich." said a Nazi officer.
Adult Joe used the time-satellite dish to send the clone into a timeloop. "I've done it, and I want to be a scientist."
The Professor and Joe were in 1969, in a double-decker Routemaster bus, at a music festival, which they ignored. They instead slept.
"We should rest. I am your uncle after all. I can be your guardian." the Professsor revealed.