Parents need to know that Sex Education is a comedy about a sex therapist (Gillian Anderson) and her semi-miserable, definitely sexually uneasy teenage son (Asa Butterfield). The overall vibe is sweet: Characters are supportive of each other, and they generally treat each other with acceptance and kindness. Notable exceptions are two bullied characters -- Eric, who's physically menaced for being gay and gentle, and Maeve, who's the "slag" (the show is set in England) of the school. But their arcs have some redemption, as both work to handle their abusers and accept themselves. Sexual content is extremely frank: Viewers see both male and female nudity, including close-ups of genitals. Characters have sex with lots of movement, noise, and realistic talk about orgasms, sexual practices, positions, body fluids, body parts, and on and on. Both opposite-sex and same-sex couples kiss and date; the show has a general openness and acceptance around gender identity issues and many types of sexual orientations, including asexuality. Women, including one in her 50s, have strong/central roles, and their desires and sexuality are represented as much as those of male characters. Language is frequent and often sexual: Expect to hear "f--k," "s--t," and "hell," as well as "c--k," "jizz," "t-ts," "f-g," and "slag." Teens habitually drink, smoke cigarettes, and smoke pot, including a scene in which one character's mom flirtatiously shares a joint with a teen. In another scene, a boy takes multiple Viagra in hopes of having better sex with his girlfriend and suffers a painful erection, which is played for laughs. Bottom line? This show is mature but positive, with realistic problems and relatable characters who often show each other profound kindness in the midst of TV absurdity. Sex Education's second season is more of the same sexual frankness, often with a comic spin (like when a boy is discovered masturbating in a car by his mother and body fluids spurt onto the car's window), but sometimes presented more seriously (a girl who suffers from vaginismus is shown working on her issue over the course of the series and doesn't magically get better just because she falls in love). In the second season, too, though this show is lighthearted, characters and their desires and problems are taken seriously, and they find realistic ways to improve their lot. New characters are also a diverse lot in terms of race, ethnicity, body type, gender and sexual identity, and physical ability (including a character who uses a wheelchair to get around and is considered attractive and romantically viable).