At Home with the Ant and Other Pets is a sketch from the forty-first episode, "Michael Ellis."
Synopsis
Chris Quinn (Eric Idle) returns home from the department store as his mother (Terry Jones), who is utterly unhappy that he had bought an ant, believing he'll lose interest in it like he did with the tiger and the sperm whale, the latter of which had its body turned into a garage for Chris' father. While Chris' mother goes to give the tiger drugs, Chris takes the ant to go watch television before being informed by his mother that Michael Ellis has came around multiple times, but she hasn't seen at all since the agouti answered for her.