Production code is 303.
This is the first episode to feature Candi Milo as the voice of Dexter, who replaced Christine Cavanaugh when she was retired in 2001 during production. However, Milo does voice Dexter in later episodes from the fourth season 3 episode and onwards who also recorded Cavanaugh's sound clips and dialogue. Also, Cavanaugh's next last segment episode for season 3 was "Tele Trauma" that she had worked on after her retirement and was replaced by Milo, arguably.
This was the first episode to air in 2002.
Although this episode aired on January 18, 2002, it was produced in 2001 according to the credits. This episode completed production in March 2001. In the credits Dee Dee's name seen in credits but not appears in Poppa Wheely, A Mom Cartoon and this episode.
It's implied that this episode takes place during the Christmas season, as Mom is heard humming "Jingle Bells" while at the mall.