Nick Jr. is an American basic cable and satellite television network that launched on January 4, 1988 and is owned by Viacom. The network has dozens of international branches and sister channels including Nickelodeon and Nicktoons.
Rights to the ALVINNN!!! and The Chipmunks series were acquired in 2015 for only a few countries worldwide, including the UK, Australia, New Zealand, and Italy. The series no longer airs on this channel in the UK and no content has aired on this channel in the US.