While aboard the Aspire 7, Theodore Harris (Cliff Robertson / G. Patrick Currie) encountered the aliens on September 16, 1963. This was the same day that The Outer Limits (1963) pilot episode The Galaxy Being (1963) was first broadcast. Robertson played the protagonist, Alan Maxwell, in that episode.
At 75 years old, Cliff Robertson (Theodore Harris) was the oldest actor to play the protagonist in an episode of The Outer Limits (1995). The youngest was Thora Birch, who was 12 years old when she played Aggie Travers in The Choice (1995).
This episode takes place on September 16, 1963 and in 2001.
Cliff Robertson (Theodore Harris) previously played Alan Maxwell in The Galaxy Being (1963). Along with Leonard Nimoy, David McCallum, Barbara Rush and Peter Breck, he is one of only five actors to appear in both The Outer Limits (1963) and The Outer Limits (1995).
Although Theodore Harris is said to be 63 years old, Cliff Robertson was already 75 when this episode was made.