Here is the full list of all 9 Pajama Sam 2: Thunder and Lightning Aren't so Frightening trophies - there are 2 bronze, 6 silver and 1 gold.
Break the Weather Machine inside of World Wide Weather and cause disruptive weather events.
Get an appointment with Mr. Someone, the Personnel Manager at World Wide Weather.
Use the binoculars on the rooftop and access the Lands of Darkness minigame.
Downsize pajama sam by bringing him into the Shrink-O-Matic machine.
Recover and repair the missing Wingnut from the Sun Machine.
Recover and repair the missing Y-Pipe from the Rain Machine.
Recover and repair the missing Snowflake Inspector from the Ice Machine.
Recover and repair the missing velocimometer from the Wind Machine.
Find all of the parts of the Weather Machine and fix it.