After his time-traveling deeds cause the destruction of the world by preventing Harold and George from creating Captain Underpants, Tippy Tinkletrousers tries to use his time machine to correct the situation, but it proves to be difficult to fix.
year:
call number/section: 1000
subjects: captain underpants (fictional character), fiction, time travel, bullies, spanish language, school stories, heroes and heroines, humorous fiction, humorous fiction