Young Petr (Adam Novak) and his four friends undergoes several adventures throughout this series--setting a field on fire, sneaking into a theater without paying and many more.
Adam Novák
Petr Bajza
Jaroslav Pauer
Čeněk Jirsák
Jan Brynych
Eda Kemlink
Štěpán Benyovszký
Antonín Beyval
Jan Müller
Pepek Zilvar
Sandra Nováková
Evička Svobodová
Jakub Hladík
Otakárek
Oldřich Navrátil
otec Vendelín Bajza
