Easy.
SPOILER
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1. click on all the cats in pet parade
2. A seal's favourite toy is a B3ACHBA11
3. use screw on big light bulb in bright bulbs then drag and drop onto fifth light. Combination is (from left to right) Off On On Off On Off
4. lightning on lower part of ghost town and enter "tumbleweed"
5. Unscrew the panel in safe and sound and copy the joke (all of it) into the leave a message in Bright Bulbs
6.Use password 7468 in Safe n' Sound