To redeem your TTB Swamp Family discount code you must purchase on using a browser at THIS LINK
Unfortunately, we can not offer promotional discounts on purchases made on or in app using Apple or Google.

On the show page click 'Buy Now'. 
Then click where it says 'Have a promo code?'


Enter the code and click Apply. Then click X to close the promo code box.

Click Continue. 
On the checkout page you should see the discounted price listed under PAY NOW.