When Sam is checking himself out in the truck's left mirror, his reflection arranges his hair with his left hand, which means Sam would be arranging it with his right. Instead, on the next cut we see Sam arranging his hair with his left hand.
Set on April 1, 1976, one of the Saturday Night Live (1975) skits that Sam watches features the Coneheads, who made their first appearance on SNL in Ralph Nader/George Benson (1977) on January 15, 1977. The specific skit which appears in this episode, in which the Coneheads appear on Family Feud (1976), didn't air until Steve Martin/Randy Newman/Nitty Gritty Dirt Band (1978) on January 21, 1978. Family Feud (1976) itself did not premiere until July 12, 1976.
This episode takes place in April 1976. While riding in the car with his brother Chris, he's flipping through 8-track tapes and sees one by the Village People. The Village People's first album didn't come out until September 1977.
The person that Sam leaps into is a stuntman on the set of Earthquake (1974). The featured scene was filmed in May 1974, but the episode takes place in April 1976.
During the "Saturday Night Live" segment there is a poster behind Sam of an FA/18 Hornet landing on the flight deck of an aircraft carrier. The maiden flight of the FA/18 was November 18, 1978 which was two and a half years after the events of this episode.
On April 4, 1976, Sam, Chris, Ray and Shannon watch a live television broadcast featuring U.S. President Gerald Ford falling while walking down the steps of Air Force One in full view of the Chancellor of Austria Bruno Kreisky. However, this incident happened at the beginning of Ford's state visit to Austria on June 1, 1975.