(Volume Two: Generations) Four Months Later... - S2-E1
Factual error: In the scene where Hiro is in ancient Japan posing as Takezo Kensei to rescue the girl, what looks like a Gatorade bottle can be seen in the grass as they ride away. (00:18:45)
(Volume Two: Generations) Four Months Later... - S2-E1
Continuity mistake: When Claire hugs Mr. Bennet she is holding her note in her right hand. In the next shot as she turns around and runs off to school the note is in her left hand.
(Volume Two: Generations) Four Months Later... - S2-E1
Visible crew/equipment: S02E01 "Four Months Later". As the samurai warriors are about to engage the attack, a close-up shot of Hiro turning around reveals the white screen reflected in his glasses.
(Volume Two: Generations) Four Months Later... - S2-E1
Revealing mistake: After Kensei knocks Hiro down a goat licks Hiro's face. The kibble used to lure the goat in for the shot can be seen on Hiro's cheek and collar.
Chosen answer: Hiro's powers are still quite unreliable, and a locked closet door isn't a huge obstacle. Since Hiro knows he needs to rescue Ando, it's probably safer to try and bash the door down than risk teleporting to the wrong place or time.