It is the last episode where Muhammad Cunningham provides the voice for Tico the Squirrel ; Jose Zelaya took over the role in Season 2.
In certain scenes, Dora's voice sounds like her Season 2 voice, suggesting it may have been one of the last episodes produced for the season. It is the last episode where Muhammad Cunningham
This is the final time the Grumpy Old Troll is genuinely annoyed by them solving his riddle; in later seasons, he becomes more impressed and congratulatory. This episode marks the debut of the Knock-Knock
This episode marks the debut of the Knock-Knock Door , an anthropomorphic door that only opens for those who tell it a joke. in later seasons
The final riddle at Tall Mountain asks, "Who can jump higher than a mountain?" The answer is everyone , because mountains can't jump. Production & Trivia