Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Atmosphere at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Teresa Palmer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Teresa Palmer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer, Teresa Palmer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Atmosphere at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Alex Pettyfer at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Atmosphere at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

D.J. Caruso at the I Am Number 4 Special Screening at London England. (Footage by WireImage Video/GettyImages)

Closeup of female's hand counting with fingers from one to five, tripod, studio, model

T thru Z and numbers made with swaying grass.

HD LOOP MONTAGE: Countdown

Yellow Rubber Duckies Floating by in Water 4

COUNTDOWN 5-4-3-2-1-0 : spacey background, fully loopable ANIMATION

Color Blast Loop

ONE TWO TREE Countdown

Professional Film Countdown Leader With Writing

Professional Film Countdown Leader (1930s /1940s era)

Professional Film Countdown Leader - Vintage

Billard pushback