Act I : Time Travel

What are the goals of this act?

What am I supposed to do with the drainpipe?
Where is Lockjaw's harness?
How do I find Uncle Fred?
How do I get to Uncle Fred's?
Help!  Lockjaw got swept into a psychedelic swirl.

How do I find the Watchman?
How can I get out of the shed?
How can I sneak out of the alley?
How can I avoid getting caught by the Governor and pals?

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