Sonic of Mont Belvieu TX

10/17/2026

👻🎃 YOU'VE BEEN BOO'D! 🎃👻

It's time for a SPOOK-tacular treasure hunt at SONIC! 💜🧡

📅 October 19th–25th
🎁 5 WINNERS EVERY DAY!

👀 Keep your eyes peeled! We're hiding BOO CARDS around our SONIC lot!

🔎 Find a BOO CARD, bring it to an employee, and claim your MYSTERY PRIZE! 🎁

👻 Are YOU lucky enough to get BOO'd?!

👇 Tag your BOO CREW and come hunt with us!

📍 Participating SONIC locations only.

10/14/2026

Stop in and try any of our Harry Potter drinks! Also, our wacky packs are $1.99 today and the first 25 sold will get a Halloween squishy! 🧙🏻

10/12/2026

Come see professor Trelawney today and try one or all of our Harry Potter drinks this week! What house are you?

10/07/2026

10/04/2026

🧙‍♀️🎃 COME, WE FLY… STRAIGHT TO SONIC! 🍔🧹

The Sanderson Sister Special has been summoned, and this deal is frightfully good! 👻✨

Now through October 11th, cast your hunger away for just $9.99 + tax:

🍔 2 Cheeseburgers
🍟 2 Medium Sides
🥤 2 Medium Drinks

🪄 Got a hungry coven of 4? Double the spell! Grab TWO specials and feed 4 people for UNDER $20 before tax! 😱🍔🍔🍔🍔

That’s enough food to make you say, “I smell… a wicked good deal!” 😂🧙‍♀️

Don’t wait 300 years for this one—the spell breaks after October 11th! 🌙✨

Tax and add-ons cost extra.