Yes. They all do ask for animal fries or a flying dutchman. You can look up secret menu items through google
Absolutely all In-N-Out Burger locations have the secret menu.
Yes all In-n-outs have the same secret menus. Be sure to look it up on google. My own favorite personally is the 3x3 animal style (3 meats 3 cheeses with onions and cheese) and animal style fries (comes with grilled onion and cheese on top of the fries)
Yes!
Thanks! Your answer is awaiting moderation.