Ep 5. All I Want for Christmas Is You

Alexa & Katie season 3 episode 5 "All I Want for Christmas Is You" follows the titular duo as they enjoy their last Christmas together before Alexa leaves for college. The episode kicks off with Alexa and Katie decorating the house for Christmas, with the latter determined to make it the best one yet for Alexa. Unsurprisingly, this involves a lot of hijinks, including a mishap with the Christmas lights that sends Katie falling off a ladder.

As the holiday approaches, Alexa becomes increasingly emotional at the thought of leaving Katie behind. She confides to Dave that she's worried about Katie not having a support system without her, which prompts Dave to plan a surprise Christmas party to cheer her up. Meanwhile, Katie tries to keep things normal by insisting on keeping their annual tradition of watching A Christmas Story, but even that ends up being a little bittersweet.

As the party approaches, the girls are hit with a major obstacle: a snowstorm that threatens to derail the festivities. Despite everyone's best efforts, the event ends up being postponed, much to Alexa's disappointment. However, Katie manages to come up with a plan to salvage the day: she enlists all of their friends to help decorate a giant Christmas tree in front of Alexa's house, complete with music and lights.

The makeshift celebration turns out to be a huge success, with Alexa and Katie both feeling the love from their friends and family. However, their final heart-to-heart before Alexa leaves for college is a reminder that their bond will always be strong, no matter the distance.

Overall, "All I Want for Christmas Is You" is a heartwarming holiday episode that captures the bittersweet feelings of growing up and moving on. With plenty of humor and heart, it's sure to be a fan favorite.