Just would like to know
>A Pokémon with Telepathy avoids all attacks used by its allies in Double and Triple Battles.
>This includes attacks with multiple targets (such as Discharge), as well as attacks exclusively targeting an ally with Telepathy (such as Thunderbolt).
Source: [Bulbapedia/ Telepathy][1]
Please keep in mind that it does not protect from status moves, like Teeter Dance. [1]: http://bulbapedia.bulbagarden.net/wiki/Telepathy_(Ability)#Effect
Telepathy protects you from all ally attack for an unlimited amount of turns, not just one. Source: Experience