The diary entry:
January 31, 1991... This year, out annual father-son vacation included an extra son. Vinnie climbed a long way with my father -- to take a small step with him.
differs from the original entry (as seen in season 2, episode 18, "My Two Dads," which aired on February 6, 1991). This entry has a different date, uses different pronouns, and punctuation. The original diary entry reads:
FEBRUARY 11, 1991... This year, out annual father-son vacation included an extra ''son''. Vinnie climbed a long way with my father -- to take a small step with his.
The diary entry
March 17, 1986... It's a hollow victory that comes at someone else's expense. If I'd won, I still would've lost.
is different than the original diary entry. There are three differences. First the date "March 17, 1986" does not agree with the original entry, which has a date of "April 14, 1990." Second, the punctuation and spacing are different. Finally, this new entry has a different ending sentence.
The original entry is from the season 1, episode 23 episode titled "And the Winner is..." aired on March 28, 1990. It reads:
APRIL 14, 1990... It's a hollow victory that comes at someone else's expense... I wish I'd understood that a week ago.
In 2003, Neil Patrick Harris provided the voice of Peter Parker/Spider-Man on the shortlived Spider-Man The New Animated Seriesand The Amazing Spider-Man in the 2009 video game Spider-Man: Shattered Dimensions.
Vinnie discovers Doogie's journal has been keeping a journal and wonders if Doogie's blackest day really was when his parakeet died.
This episode "completes" the Doogstruck episode (season 3, episode 8) where Doogie attempted to reach Chicago to see Wanda on her birthday. We find out what happened after the episode ended.
This episode "completes" in the episode "Doogiesomething" (season 3, episode 10), when Doogie tells Wanda about his aborted attempt to come to Chicago for her birthday. We finally get to hear what happened after the episode ended.
The time allowed by the writers for Doogie and Vinnie to arrive in Chicago the next day at 8 AM is not realistic. Chicago and Pacific Palisades, CA (from Lonesome Doog episode) are 2,152 mile using I-40E and 2,037 miles using I-80E. At legal speed limits the time necessary to travel the distance is 1 day 8 hours to 1 day 10 hours. The story takes place the day before Wanda's birthday, which is when Doogie wants to arrive. Even without the car troubles, Doogie couldn't arrive at the stated time in the episode.
Doogie's home mailing address is:
1782 A Amalfi Drive
Pacific Palisades, CA 90272
Wanda's mailing address is:
3320 East Ontario Avenue
Rm # 418
Chicago, IL 60603