|Season 1, Episode 20|
|Air date|| March 21, 2013 (Teletoon)
March 8, 2013 (Nickelodeon)
|Directed by||J Falconer|
"Ukelele Wally" is the twentieth episode in the first season of Rocket Monkeys. It is the twentieth episode overall.
Gus takes a game of Trash Torpedo too far, shooting Wally’s beloved ukulele into space. To get it back, the Monkeys must face Pinky-Winky, a mean-girl space creature with musical plans of her own.