Leo says he'll want a Wireless to Ethernet Bridge, also known as an 'Entertainment Bridge'. It's under $100. He'll want to get one from the same manufacturer as the router he has. Here's an article from D-Link on how to do it.
Scott says the Bravia Internet Video Link is also a good option since Mike has a Sony TV, but Scott's not sure it would work with his model TV. Leo says that at $176, it is pricey. Leo usually suggests to stay within the family when it comes to networking. It always seems to work better.