The Trouble with Toads
From the Super Mario Wiki
Captain Goomba, Captain Shy Guy, and Captain Boo find a Toad being pursued by Morton and some Fire Bros. Although uninterested in helping the Toad, and shocked that the Fire Bros would actually battle them, the Goomba Squad carries on, battling, in addition to the Fire Bros, Sharpeas, Spikes, and Rexes. Once the battle is over with, Captain Goomba decides to carry on even if it means he must rescue Toads.