When Frank was filming the movie, Weezing used Clear Smog to create smoke for the movie. It released too much smoke during the scene at the mountain which caused Ash's Hawlucha to land on the rock instead of behind it.
|Clear Smog||Lights! Camera! Pika!|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.