Plan your week in entertainment, with 'Idol,' 'Hot Tub'

Plan your week in entertainment with these highlights and pop-culture milestones.

MONDAY, 2/16

Attend: Maroon 5 is hitting the road in support of the band's new album V. It embarks on The Maroon 5 World Tour 2015 today in Dallas before hitting more than 35 cities throughout North America and Europe.

TUESDAY, 2/17

Listen: Grammy Award-winning rock band Imagine Dragons releases its new album, Smoke + Mirrors, today via KIDinaKORNER/Interscope Records.

WEDNESDAY, 2/18

Watch: Auditions from Hollywood culminate with a special showcase and reveal of the Top 24 semi-finalists on tonight's American Idol (8 p.m. ET/PT, Fox).

THURSDAY, 2/19

Watch: History's scripted drama series Vikings sets sail for a third season tonight at 10 p.m. ET.

FRIDAY, 2/20

See: The magical hot tub is back with a new adventure: In Hot Tub Time Machine 2 (out today), it sends Lou (Rob Corddry), Nick (Craig Robinson) and Jacob (Clark Duke) 10 years into the future to prevent an unknown assailant from shooting Lou.