Nikon COOLPIX L820 Reference Manual page 112

Press the I-_] button to enter playback mode.
Movies are indicated by the movie options icon ([_[] 91).
Press the _) button to play back movies.
3
B_
&
tm
o.
Movie options
Deleting Movies
To delete a movie, select tile desired movie in fuH-frarne playback mode ([_[] 30) or thumbnail
playback mode ([_[] 75) and then press the "_ button (_ 32).
92