Life Imitates Art: During the end of one episode, Martin casually happens to show Tim that he can watch a television show, then replay it back. Tim immediately goes for the TV Guide, to see what shows that he could have Martin record for him. The show predicts the general use of the VCR 20 years before it was invented.
Ray Walston (the original Uncle Martin) has a small role as a government agent following Martin and Tim. In the end, his character turns out to be another Martian named Neenurt who has been stranded on Earth since the '60s. He also mentions that his gum lost it's flavor in 1966, when the original series ended.
When Martin is explaining the different kinds of nerplex to Tim, he holds up the spiky-looking Veenox 7 gumball and tells Tim that when it comes to Veenox 7, "Just say no!!"