Howto see template objects in PGAdmin3

PG-9.2
PGAdmin3-1.16.0

I have run into an old problem wherein the postgres user has ownership
of the PSQL language extension in a newly created database. I wish to
remove this extension from template1 as the database is automatically
recreated on every test run and I am unable to specify template0 to
the test software.

I am attempting to do this from inside PGAdmin3 but I find that I no
longer see either template0 or template1 in the object tree. Where
are they found?

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