Continuity mistake: After Gordon and Wayne drink the glowing liquid, Gordon turns around, holding the glass. An instant cut later, his arm and hand are down, and the glass is already on the table, but Wayne is still putting down his glass.
Visible crew/equipment: When the kids are making their volcano, for a split second, a crew member's hand is visible placing the balloon in place. (00:34:07)
Continuity mistake: When Gordon and Wayne walk next to the loudspeaker, the Sony logo is above their heads. In the close-up, their heads cover part of the letters.
Continuity mistake: When Gordon and Wayne dry themselves after wiping off the dip, the way the red towel behind is folded changes between shots.
Revealing mistake: After the toy car crashes, the group falls down a hole, but their clothes don't react to gravity, revealing the green screen trick.
Revealing mistake: When the group is riding the toy car, in the wide shots of a real toy car, they disappear.