The Last of Mary Moo Cow & Bitzi's Beau

The Last of Mary Moo Cow: When D.W.'s favorite show, Mary Moo Cow, is cancelled, she starts a petition to try to get her show back on the air and visits the studio of Mary Moo Cow. In the end, Arthur's favorite show Dark Bunny gets cancelled to bring back Mary Moo Cow.
Bitzi's Beau: Buster's mom, Bitzi, has a boyfriend and Buster is nervous to meet him. At first he thinks it is Mr. Ratburn but finds out it is not. When Buster eventually meets her boyfriend, Harry, he finds out Harry's not so bad.