
7.3
Martha Speaks
2009
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Season 4 · Episode 22 — We're Going on a Square HuntThe squares explore an ancient temple in search of a really, really big square. Learn more about square numbers with the Numberblocks.
Up nextThirty's Big TopS4 · E23
2009

2001

2004

1999

2011

1979

2011

2002

2008

2024

2002

1997

2006

1997

2010

2017

1990

2014

1980

2016