Mach a Šebestová (lit. 'Max and Sally') is a Czech animated series. It is written by Miloš Macourek, Jaroslav Doubrava, and designed by painter Adolf Born. The animated characters were voiced by Petr Nárožný. It is produced in a studio of Barrandov under Bratři v triku and Krátký Films.

The story follows the adventures of two young students and a torn-off telephone receiver. The first 13 episodes was broadcast on Czechoslovak Television in 1982. Mach a Šebestová is one of the most popular series made for children's television programme Večerníček.

The series was adapted for the 2001 film titled Mach, Šebestová a kouzelné sluchátko (lit. 'Max, Sally and the Magic Phone') by director Václav Vorlíček. In 2010, Theatre Lampion presented a stage adaptation of the series in the Czech National Theatre.