The opening sequence is set "In the year 5477..."
The time traveler's vehicle is the shuttle pod from the Jupiter 2.
The shot of Heather Young used during the opening credits comes from this episode, when Betty meets Comm. Fielder fro the first time.
This is production number 4708. It is the twelfth episode of the second season in broadcast order, but eighth in production order.
The beings from the future not only use the pod from the Jupiter 2, they are wearing the silver space suits from that show as well.