00:00Me piaccibi!
00:02Chris and Zand are back with a bang!
00:05Wow!
00:06Always expect the unexpected.
00:08As they go to any length...
00:10When was the last time you washed your hands?
00:12...to answer the almost unanswerable.
00:15Why do our fingers go wrinkly in the bath?
00:17Put it to the test like proper scientists.
00:20It's weird.
00:21Yes!
00:22Come and have a good look at this.
00:23Operation Ouch!
00:25A brand new series.
00:26Chris!
00:27Starts Monday, the 18th of January on CBBC.
00:29CBBC!
00:34CBBC!
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