He's back!

Rob Kardashian is making his triumphant return to Keeping Up With the Kardashians — and fans got a peek at the big moment in the Season 12 trailer!

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"Welcome home!" Kris Jenner exclaims in the promo, while hugging her 29-year-old son on the couch. "Do you love it? Do you love it? Do you love it?" While we're not sure what the momager is referring to, exactly, she definitely seems happy to have her baby back on the reality show!

Joining Rob is Lamar Odom, who's returning to the series after suffering a near-fatal overdose last October.

https://www.youtube.com/watch?v=T-BtufeozMI

For a look at how much the Kardashians have changed from Season 1, check out the gallery below!