Phanpy's Take Down, being a Normal-type move, shouldn't have had any effect on Misdreavus, a Ghost-type Pokémon, as it did during the battle.
When they have escaped Ursaring's Hyper Beams and rest, Brock is leaning on something that doesn't exist.
At the end of the scene where Larvitar is using Screech on Ash's party, it clips out for a second.
When Pikachu used Thunderbolt on Team Rocket's truck, Ash and his Pokémon were being electrocuted. Phanpy and Larvitar were also affected despite both of them being Ground types.