To attain maximum merits for this episode, you have to complete every puzzle with 100% accuracy. Some puzzles are more difficult than others, but the total amount is 74,000 Merit Points. The following trophies are associated with this in some way:
(Puzzle Trophies)
(Merit Trophies)
Outside of those puzzles mentioned, the following puzzle solutions may help you somewhat (where it was deemed that a solution would help for 100% MP):
Puzzle 4: Cell Reception
*** Spoiler - click to reveal ***Take into consideration the way the cells appear to make a specific shape with their tail. All but one will be following the same shape, regardless on how it is rotated. The one that you want to pick will have a mirrored shape to it and is usually found around the lower middle section.
Puzzle 5: First Refusal
*** Spoiler - click to reveal ***Top Row: 1st Fuse
Second Row: 2nd Fuse
Third Row: 3rd Fuse
Fourth Row: 1st Fuse, 3rd Fuse, 6th Fuse
Third Row: 4th Fuse
Second Row: 5th Fuse
Puzzle 6: Shelf Life
*** Spoiler - click to reveal ***Top Shelf: Deathkill's Toy, Dwayne's Washkit, Jacob's Toy
Middle Shelf: Jacob's Lunchbox, Dwayne's Lunchbox, Deathkill's Lunchbox
Bottom Shelf: Deathkill's Washkit, Dwayne's Toy, Jacob's Washkit
Puzzle 7: Pizza Party
*** Spoiler - click to reveal ***The goal is to divide the pizza up for all four boys. Start by dividing the anchovies and pepperoni on the right side from all of the others (slice to the left of the anchovies).
Next up, separate the tomato/mushrooms with the pepperoni on the left side, slicing up to separate the top anchovy from the pepperoni on the right (slice from left to right).
Lastly, separate the last anchovy on the bottom from the pepperoni above it, slicing from right to left. The way it should look, you should have seven slices now: four slices with one topping (anchovy, anchovy, tomato, pepperoni), one slice with three pepperoni (right side), two slices with four toppings (top: mushroom, pepperoni, pepper, and tomato) and (two mushroom, tomato, and pepper).
Puzzle 8: Where Sheep
*** Spoiler - click to reveal ***You have to put the five villagers in advantage spots to where everything can be seen. Starting at the very top, put a villager in the middle path (slanting diagonally to the lower left). On the next road parallel it to the bottom, put two villagers there (one on the far left, one two roads to the right at the six-way intersection). With the remaining two villagers, put one in the far right corner (third horizontal road) and in the bottom left corner (fourth horizontal road).
Puzzle 10: Like a Charm
Simply drag the charm pieces around to get the cat head off.
Puzzle 11: Tough Little Guys
Puzzle 12: Barbecued Legs
Puzzle 14: Knot So Easy
Simply re-arrange the knots so none of the rope pieces are interfering with one another.
Puzzle 15: The Conqueror
Puzzle 16: Extra Charming
Puzzle 17: Song of Stone
A simple puzzle where you rotate or flip the pieces to put the stone back together.
Puzzle 18: Something Smells Good
Puzzle 19: Skunk in a Funk
*** Spoiler - click to reveal ***Yellow: Start by taking the triangle to the right, then go down, rotate back to the start point, head directly north, then left and wrap back around.
Brown: Head left onto the triangle, left to the square, down/left to the two triangles, then north and wrap back around to the northeast.
Green: Go right to the triangle, square, then up to the pair of triangles under the Brown skunk. Head right to the square and then cover the last bit of uncolored territory to divide it evenly.
Puzzle 20: Sister Act
Puzzle 22: No Extra Charge
*** Spoiler - click to reveal ***The top-right battery end is a square with three smaller squares within it. It doesn't rotate and retain the same pattern like the others do (if you rotate it 90 degrees from one point, I believe).
Puzzle 23: Happy Skies
*** Spoiler - click to reveal ***Start by having the purple plane head all left and then down to land.
Then, have the red plane hug the edges, going all the way to the left, all north, right, north, all right, north, and the rest of the way right.
Blue, head down and then right twice.
Orange, head all right, all down, then left twice.
Pink, go left twice, down twice, left, up, left, and up.
What's left, have green trace to finish the puzzle and cover all spots.