Otis and his friends are back but things are more complicated than ever.

Netflix dropped the trailer for “Sex Education” season 2 on Tuesday.

RELATED: Netflix Shares Hilarious Blooper Reel From ‘Sex Education’ Season 1

The preview opens with the awkwardness of Otis’ sex therapist mom Dr. Jean F. Milburn, played by Gillian Anderson, coming to a school assembly to answer questions about a chlamydia outbreak.

Meanwhile, Otis is adjusting to his new relationship with girlfriend Ola while dealing with his feelings for Maeve.

RELATED: Gillian Anderson Wants Governments To Do More To Protect The Oceans: ‘They Are In Crisis’

The series also stars Asa Butterfield, Emma Mackey, Ncuti Gatwa, Patricia Allison, Connor Swindells, and more.

“Sex Education” returns for its second season on Jan. 17.

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Style Evolution: Gillian Anderson