King Cobra - S3-E6
Factual error: Flashback when Kreese is in Vietnam. His captain, as well as other officers at their base camp were wearing modern uniforms, wrong for the time. (00:01:05 - 00:01:29)
Starring: Ralph Macchio, William Zabka, Courtney Henggeler, Xolo Mariduena
King Cobra - S3-E6
Factual error: Flashback when Kreese is in Vietnam. His captain, as well as other officers at their base camp were wearing modern uniforms, wrong for the time. (00:01:05 - 00:01:29)

Continuity mistake: Miguel kicks and breaks a staircase railing during the school brawl. For a second it cuts to Robby. When it cuts back to Miguel, the railing is fixed.
All Valley - S1-E7
Samantha LaRusso: Aren't we supposed to avoid fighting?
Daniel LaRusso: Sometimes you can't. Someday the fight may come to you. And I want to make sure you're ready. So today we're going to see what Miyagi-Do is made of.
Trivia: Daniel stumbles in on his daughter kissing Miguel. He then suggests to her he would like that they the door open, to which his daughter replies "come on dad, it's not 1984." The original Karate Kid was released in 1984.
Question: Johnny has a son named Robbie. Johnny seems to want nothing to do with him so why does he keep a picture of him on his refrigerator?
Answer: Because despite whatever unresolved issues there are between them, he still cares about his son, and probably hopes for reconciliation one day.
raywest ★