Buy a Passionflix gift card at gifts.passionflix.com, delivered by email or by post.
To redeem it, sign in on the web and enter the code at checkout, or under "You", then "My Plan" if you already subscribe. Gift codes work once and only for web subscriptions.
Full steps and what to do if a code doesn't work: How do I use a promo code or gift card?
Didn't receive your gift card email? Email support@passionflix.com with your order receipt.