A Grandpa with a magic Shrinking Cap that only his grandson Jason knows about. When he puts the cap on Grandpa shrinks and creates comic mayhem, but somehow Grandpa and Jason always manage to save the day. It’s teamwork!
Jay Ruckley
Jason Mason
Aug 17, 1996
Jan 5, 2002
Jan 12, 2001
Apr 9, 2014
Sep 14, 1985
Oct 4, 1957
Sep 10, 1988
Sep 8, 1990
CBeebies
English