Whether you’re hosting a retro movie night, setting up a budget home theater, or just curious about how those classic red-and-blue lenses work, you don't need to spend a fortune to see in three dimensions. Finding "cheap" 3D glasses depends entirely on what you're watching—from paper disposables for a few cents to durable plastic frames for your TV.

: If you want something more durable than paper, these reinforced plastic frames are a great step up for about at 3dstereo.com Furnest Black Frame Red Blue 3D Glasses

2. Best for Modern Home Theaters: Polarized & Active Glasses

These are the "classic" glasses that work on any standard screen (monitor, TV, or even paper). Blue Handcart 12 Pairs of Red/Cyan Cardboard 3D Glasses Go to product viewer dialog for this item.

: For the absolute lowest price, Rainbow Symphony offers overstock "mystery" frames starting at for a pack of 200 when in stock. Where to Shop for 3D Glasses Online 3D Glasses | Buy 3D Glasses - American Paper Optics, LLC

If you have a 3D-enabled TV or a home projector, standard red/blue glasses won't work. You'll need either passive polarized or active shutter glasses. Unique Bargains Passive Circular 3D Glasses