Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
While adding GIFs to our awesome Thrills and Spills chatroom, I came across an image of two Pikachus and a Togepi:
At first, I thought it was Ashachu, but it's not—just a Pikachu with bedhead.
Which episode/canon is this shot from?
That's Sparky, Ritchie's Pikachu.
His first appearance was episode 78 of the original anime.
The Pikachu's Sparky, trained by Ritchie.
That particular picture came from the episode when they made a come back to the Johto region, at the end of "Hi Ho Silver Away" and the beginning of "Parent Trapped."
Required, but never shown