MJZZ transmits around the 900AM frequency and is the most listened to radio station in Hillwood.
Sally's Comet appears in the sky every 70 years.
On the episode events, Sally's Comet appears in the sky at 8:16 P.M.
To win the Deluxe Point-O-View Scope 50 box tops are needed.
Harvey delivers the telescope to "Arnold. 4040 Vineland."
First time Grandpa is referred to by his first name, Phil.
Grandpa doesn't like being called "Phil" by Gerald.
First episode featuring a Grandpa flashback.
This is the only Grandpa flashback featured in an old film aesthetic.
According to Grandpa, Hawk Mountain was where he flew his first kite, where he had his first kiss, and where he broke every bone in his body falling off from it.
As Gerald yells at the neighbors from the top of the boarding house, ordering them to turn out their lights, a voice that sounds similar to Harvey answers with "I'll show you lights, buddy!" and throws a tomato at Gerald.
The 3-column car row to enter Hawk Mountain is at least 74 miles long.
Willie the Jolly Olly Man can be seen selling "Ice Cold Comet Pops" on the highway to Hawk Mountain.
Similar to Gerald's catch phrase "you're a bold kid", Nashville Ned tells Arnold and Gerald "you're bold cats, brother".
Grandpa executes an illegal U-turn when he turns around to head back from the highway toward Hawk Mountain; he runs over the median and into the other section of traffic.
Cultural References[]
Sally's Comet is an obvious parody of the real-life Halley's Comet, which passes by Earth every 75 or so years.
Hawk Mountain, the first place Arnold, Grandpa and Gerald try to see Sally's Comet, is actually a real place near Allentown, Pennsylvania.
The clock tower Big Barney is a reference to London's iconic clock tower Big Ben.
