Complex sentence: Penny is still the one who really saves the day but still never gets any recognition for it and her uncle is still given the praise for solving each case although he generally either did nothing at all or only inadvertently saved the day.
Split into simpler sentences: Penny is still the one who really saves the day but never gets any recognition for it. Her uncle is still given the praise for solving each case although he generally either did nothing at all or only inadvertently saved the day.